| 单词 | coking coal |
| 释义 | 例句释义: 炼焦煤,炼焦用煤,焦结煤,冶金煤 1. Queensland, Australia accounted for about one fifth of the total economy is one of the main producers of sugar and coking coal. 昆士兰州经济总量占澳大利亚大约五分之一,是蔗糖和炼焦煤主要产地。 www.englishtang.com 2. Analysts said the international coking coal prices could rise in the next few months towards $190-$200 a tonne. 分析师表示,国际焦煤价格可能在今后几个月上涨至每吨190美元至200美元。 www.ftchinese.com 3. The chickens and coking coal at the heart of this week's trade spats will not change that basic fact. 本周围绕禽类产品和炼焦煤展开的贸易纠纷,不会改变上述基本事实。 www.ftchinese.com 4. Iron ore, coking coal, alumina and fertiliser are among the few key commodities whose price is still negotiated in annual contracts. 铁矿石、炼焦煤、氧化铝和化肥等,都属于少数几种价格仍通过年度合约谈判确定的关键商品。 www.ftchinese.com 5. The 'DC forehearth' can also be applied to a blast furnace and a cupola for coking coal smelting. 此“直流前床”,还可用于焦煤冶炼的鼓风炉和冲天炉。 ip.com 6. Spot iron ore and coking coal prices hit their highest level in two years early this month as crude steel production surged. 随着粗钢生产激增,本月早些时候,铁矿石和炼焦煤现货价格达到了两年来最高水平。 www.360abc.com 7. The cost of iron ore and coking coal is key to the global economy as it filters into steel and ultimately everyday goods. 铁矿石和炼焦煤价格通过钢材,最终传递至各种日用品,因而对全球经济而言十分关键。 www.360abc.com 8. The cost of iron ore and coking coal is key to the global economy as it affects steel prices and the cost of everyday goods. 对于全球经济而言,铁矿石和炼焦煤成本十分关键,因为这影响到钢铁价格和日常商品的成本。 www.ftchinese.com 9. China's coking coal import demand is also important - with its lower arbitrage price keeping Chinese mills from the seaborne market. 中国的焦煤进口需求也很重要-其较低的套利,保持中国钢厂从海运市场价格。 www.shhrui.com 10. the area along the river is rich in valuable deposits of high-grade coking coal and is well known for its steel industry. 俄亥俄河被称作美国的鲁尔河,就像德国一样,沿河有丰富的高品千周的焦煤,并且因其钢铁而著名。 blog.sina.com.cn 1. Macarthur, which is the leading exporter of a coking coal variety known as pulverised coal, has benefited from rising coal prices. 作为一种被称为“粉煤”(pulverisedcoal)的焦煤品种的领先出口商,麦克阿瑟从煤价不断上涨中受益匪浅。 www.ftchinese.com 2. The company also focuses on the trading of Iron Ore, coking coal, and steel production. 天津公司目前主要从事铁矿石、煤炭的进口贸易以及钢材的出口贸易。 www.alsox.com 3. Coking coal and steel production is one of the important raw materials. 炼焦煤是生产钢铁的重要原料之一。 www.51wufengguan.cn 4. Transporters loaded with Great Wall pickups coming from China cross paths with coking coal on its way to the United States, Peru and Mexico. 装载着来自中国的长城皮卡和焦煤的运输车,穿梭往来在通往美国、秘鲁和墨西哥的煤渣路上。 www.ecocn.org 5. BHP, whose Queensland operations make it the world's biggest coking coal exporter, has been tight-lipped on the effects of the floods. 必和必拓——世界上最大的炼焦煤出口商,一直对昆士兰州洪水的影响守口如瓶。 www.bing.com 6. ArcelorMittal, the world's largest steelmaker, is moving aggressively to boost its self-sufficiency within the market for coking coal. 世界最大的钢铁制造商阿塞洛-米塔尔(ArcelorMittal)正在积极采取行动,提高自己在炼焦煤市场内部的自足能力。 www.ftchinese.com 7. Compared with the coal, due to demand more smoothly and coking coal and coal smoke-free prices could remain stable state. 与动力煤相比,由于需求较为平稳,炼焦煤和无烟块煤价格可能会整体保持平稳态势。 www.51wufengguan.cn 8. As coal market fundamentals have turned increasingly bullish, spot prices for coking coal have climbed to all time highs. 因为煤炭市场的基本面日益向好,焦煤现货价格已经爬升到有史以来的最高点。 www.docin.com 9. Analytic personage also speculate that if coking coal price rise is larger, could trigger a global steel concatenate to raise price. 有分析人士还推测,如果焦煤价格涨幅较大,可能引发全球钢厂连锁性地进行提价。 www.51wufengguan.cn 10. Meanwhile China more than doubled its imports of Australia coking coal in June compared with the previous month. 与此同时,中国6月份的澳大利亚炼焦煤进口量环比增加了一倍多。 www.ftchinese.com 1. In mixing coal for the coking, both of two may substitute the domestic coking coal. 在配煤炼焦中两者均可替代目前国内主焦煤品种。 www.chemyq.com 2. Rocketing prices for coking coal and iron ore, the two main components of steel, have left steelmakers shell-shocked. 炼焦煤和铁矿石这两种钢铁行业主要原材料价格的飞升,已经使钢铁制造商身心俱疲。 www.ftchinese.com 3. And the microstructure composition corresponding the vitrinite of coking coal has higher reactivity. 对于焦煤而言,加碱后镜质组对应的焦炭显微结构的反应活性变大。 paper.pet2008.cn 4. "China really lacks supplies of good quality coking coal. " “中国真的缺乏优质炼焦煤供应。” www.ftchinese.com 5. New Zealand's only listed coal company, it specialises in high-quality coking coal for the Asian steel industry. 作为新西兰唯一一家上市的煤炭公司,派克河主要经营向亚洲钢铁产业出口优质炼焦煤的业务。 www.ecocn.org 6. he stamp-charging coking technology is an effect way to enlarge and properly utilize coking coal resources to improve coke quality. 论述了捣固炼焦工艺技术是扩大和充分利用煤炭资源,提高焦炭质量的有效途径。 www.chemyq.com 7. It is already largely dependent on imports of coking coal, used to make steel. 印度现在对制造钢铁的焦炭的需求已经主要依靠进口来满足。 www.ecocn.org 8. It produces 5m tonnes of coking coal a year. 每年,这个煤矿都会产出5百万公吨的焦煤。 www.bing.com 9. Is the famous city of iron and coal to high-quality coking coal, low-phosphorus iron, steel special well-known nationwide. 是著名的煤铁之城,以优质焦煤、低磷铁、特种钢驰名全国。 goabroad.zhishi.sohu.com 10. Now the application and practice of coking coal plant ultra-low inventory operation are analyzed briefly. 现对焦化煤场超低库存运行的应用与实践进行简要分析。 www.qikan.com.cn 1. By using coking coal from Shougang coking plant, experimental study on coking with preliminary disposed coal was done. 采用首钢炼焦煤为实验原料,进行了煤预处理炼焦的实验研究。 www.chemyq.com 2. The surge came as miners Rio Tinto, BHP Billiton and Vale of Brazil reported strong demand for iron ore and coking coal. 运费大涨之际,力拓(RioTinto)、必和必拓(BHPBilliton)以及巴西淡水河谷(ValeofBrazil)等矿商均发布了铁矿石和炼焦煤需求强劲的消息。 www.ftchinese.com 3. Points out the importance of slurry water system in the preparation plant, especially coking coal preparation plant. 指出了煤泥水系统在选煤厂,特别是在炼焦煤选煤厂中的重要性。 www.chemyq.com 4. Prices for both iron ore and coking coal reached record levels during the quarter. 无论是铁矿石价格还是炼焦煤价格,都在第一季度创下了历史新高。 www.ftchinese.com 5. The surge in thermal coal prices mirrors sharp gains in other bulk commodities such as iron ore and coking coal, used to manufacture steel. 动力煤价格飙升之际,铁矿石和用于钢铁生产的炼焦煤等其它散装大宗商品价格也大幅上升。 www.ftchinese.com 6. Given such pressures, ArcelorMittal will struggle to pass on higher iron ore and coking coal costs. 面对这些压力,阿塞洛-米塔尔将很难把铁矿石和炼焦煤成本的上升转嫁给客户。 www.ftchinese.com 7. Concern about coking coal shortages has also forced some US and Indian steel producers to trim output. 同时,有关炼焦煤短缺的担忧也已迫使一些美国和印度钢铁生产商削减了产量。 www.xici.net 8. Steel is an alloy of iron and carbon. Coking coal is a source of carbon in the smelting process. 钢是铁与碳的合金,焦煤便是熔炼过程中碳的来源。 gb.cri.cn 9. Coking coal prices are set in quarterly contracts between miners and steelmakers. 炼焦煤价格是根据矿商与钢铁企业之间签订的季度合约制定的。 www.ftchinese.com 10. Coking coal is a nonrenewable resource; it is the basis to support sustainable development of steel industry, coal chemical industry. 炼焦煤是一种不可再生的资源,它是支持钢铁行业、煤化工行业可持续发展的基础。 m.qikan.com.cn 1. Local producers have heftily lifted domestic output of alumina, copper, zinc, coking coal, lead and iron ore over the past 12 months. 过去12个月里,中国国内生产商大幅提高了氧化铝、铜、锌、焦炭、铅和铁矿石的产量。 www.ftchinese.com 2. The results of thermogravimetric study show that different waste plastics affect the thermogravimetric behavior of coking-coal differently. 认为不同的废塑料对太钢焦煤热重行为的影响不尽相同; www.ilib.cn 3. Yangxin States in the status of Shanxi anthracite , unlike Shanxi Coking Coal Group, is the "only" , but also decisive. 国阳新能在山西无烟煤的地位,不像山西焦煤集团一样是“唯一”,但也举足轻重。 dictsearch.appspot.com 4. The collapsed mine belongs to Shanxi Coking Coal Group, China's biggest coal producer. 坍塌的煤矿属于中国最大的煤炭生产企业山西焦煤集团。 blog.sina.com.cn 5. It comes at a time when coking coal is increasingly considered strategic in China. 此笔交易发生之时,正值中国日益将焦煤视作战略物资。 www.ftchinese.com 6. Since this year, most of the coking coal coking enterprises. 今年以来,多数焦化企业焦煤到货情况不佳。 www.51wufengguan.cn 7. Australian hard coking coal production was down two per cent on the same period. 澳大利亚硬焦煤产量下降百分之两个同期。 www.bozhiyongdai.com 8. The writer chose the example of Shanxi Coking Coal Group Co. LTD to validate the theory. 第五章是实证分析,笔者选取了山西焦煤集团作为样本企业进行调查研究。 www.fabiao.net 9. Coking coal is used to make steel, while power plants provide a market for thermal coal. 炼焦煤用于炼钢,而火电厂为电煤提供了一个市场。 www.ftchinese.com 10. And China's coking coal imports more than half of Australian supply. 而中国的炼焦煤进口中,有一半以上由澳大利亚供应。 www.englishtang.com 1. In 2005, coking coal price experienced the undulation of rising first, and then falling and rising again. 2005年炼焦煤价格经历了先升后降再回升的波动。 www.chemyq.com 2. He notes that China is also a growing importer of coking coal-which, like iron ore, is used to make steel. 他指出,中国的焦炭进口量也在日益增加。焦炭是炼钢的原料之一。 c.wsj.com 3. It sparked forecasts that already inflated coking coal prices could surge 50 per cent to an all-time high of $US400 a tonne. 它引发了猜测,已经飞涨的炼焦煤价格可能飙升至历史新高,达到每吨400美元。 www.bing.com 4. Instead of pussyfooting around with coking coal, the west may one day address the most egregious imbalance of all. 与其在炼焦煤问题上纠缠,西方有朝一日也许会针对一切失衡中最大的失衡。 www.ftchinese.com 5. Metallurgical coke is produced by heating mixtures of powdered coking coal (25 -30wt% volatile content) in the absence of air. 冶金焦的生产是把炼焦煤粉(含25~30的挥发物)在与空气隔绝的情况下加热。 www.jukuu.com 6. The mines that supply one-third of the world's coking coal are shut down. 供给世界三分之一的焦炭停止生产,庄家被洪水糟蹋,土壤被洪水冲走。 www.bing.com 7. Huajin Coking, which is half owned by giant state-run China National Coal Group Corp. and half by state-owned Shanxi Coking Coal Group Co. 华晋焦煤公司由中国中煤能源集团公司和山西焦煤集团有限责任公司各持股一半。 www.readeng.cn 8. The price of coking coal under the contracts will surge initially by about 55 per cent, according to one Japanese steelmaker. 据一家日本钢铁制造商透露,根据合同,炼焦煤价格初步将大幅上涨55%左右。 www.ftchinese.com 9. The Australian coking coal and the Canadian coking coal have the quality properties of low dust, middle sulfur content and so on. 介绍了澳大利亚和加拿大炼焦煤的低灰分、中等硫含量等质量特性; www.chemyq.com 10. The second demand is for metallurgical, or coking, coal. 第二种是对于冶金煤或者说焦化煤的需求。 www.bing.com 1. Net import of coking coal increases. 炼焦煤净进口量增加。 www.chemyq.com 2. SHANXI COKING COAL GROUP CO. , LTD. 山西焦煤集团有限责任公司。 www.718600.com 3. It said rail cars should carry thermal coal before other grades, such as coking coal, a key ingredient in steel-making. 发改委说,铁路运输应该优先考虑电煤,而不是焦煤等其他等级煤炭。焦煤是炼钢中的重要原料。 cn.wsj.com 4. It is the world's biggest producer of seaborne pulverized coal, or powdered coking coal, which is used to make steel. 它是全球最大的海运煤粉(也就是炼焦煤粉)生产商,这种产品用于炼钢。 www.ftchinese.com 5. Spot prices for coking coal surged last week to $160 a tonne, up almost 40 per cent in the last three months and the highest in 12 months. 炼焦煤现货价格上周飙升至每吨160美元,过去三个月来上涨近40%,为12个月来的高点。 www.ftchinese.com 6. Coking coal is used, together with iron ore, in blast furnaces to manufacture steel. 炼焦煤用于在高炉中冶炼铁矿石生产钢铁。 www.ftchinese.com 7. Coking coal is used to make steel. 焦炭是炼钢原料之一。 chinese.wsj.com 8. They will ask for a 40-50 per cent rise in coking coal prices, after a 58 per cent fall this year. 至于本年度降价58%的焦煤,他们将要求涨价40%-50%。 www.ftchinese.com 9. Net imports of coking coal rose to 12. 导致对海运煤炭的需求上升。 www.juyy.net 10. The company has signed annual supply contracts for key raw materials such as iron ore and coking coal at much higher prices than last year. 该公司已按照比去年高得多的价格签订了铁矿石和炼焦煤等关键原材料的年度供应合同。 www.ftchinese.com 1. China will levy a tax of 8 to 20 yuan on every metric ton of coking coal sold and 0. 3 to 5 yuan a ton for other coal grades. 中国将对销售的每公吨焦煤征收8元到20元的税费,对其它等级的煤炭征收0.3元至5元的税费。 www.hxen.com 2. Last year 36 per cent of its coking coal imports came from Mongolia, more than double the share of 2009. 去年,中国36%的炼焦煤进口来自蒙古,这一比例较2009年提高了一倍以上。 www.ftchinese.com 3. China and Japan together accounted for 40 per cent of global coking coal imports last year. 去年,中国和日本加起来占全球焦煤进口总量的40%。 www.ftchinese.com 4. The battle for Australian coal mines comes as China last year became a net importer of thermal and coking coal for the first time. 争夺澳大利亚煤矿的战争是从去年开始的,当时中国第一次成为动力煤和炼焦煤的净进口国。 www.ftchinese.com 5. Coking coal prices would hit $225 a tonne next quarter, up from $200 in April-June and $129 last year. 炼焦煤价格则将增至每吨225美元,远高于第二季度的200美元和去年的129美元。 www.ftchinese.com 6. Peabody Energy, the US-based miner, estimates that China imported 35m tonnes of coking coal last year, up from 7m tonnes in 2008. 美国矿业公司皮博迪能源(PeabodyEnergy)估计,去年中国进口了3500万吨炼焦煤,远高于2008年的700万吨。 www.ftchinese.com 7. Net imports of coking coal rose to 12. 6m tonnes between January and June, up from 1. 1m in the same period last year. 今年1月至6月,炼焦煤净进口量升至1260万吨,远高于去年同期的110万吨。 www.ftchinese.com 8. Some Considerations about Lifting the Competitive Power of the Coking Coal Enterprises in Shanxi Province 关于提升山西焦煤集团竞争力的几点思考 ilib.cn 9. Research on Software Used for Power Coal and Coking Coal Blending 动力煤与炼焦煤配煤软件的研究 service.ilib.cn 10. On the Necessity for Coking Coal Washery to be Equipped with Additional Moving Screen Jig for Gangue Removal 试论炼焦煤选煤厂增设动筛排矸系统的必要性 ilib.cn 1. Attempt to Develop and Utilize High Sulphur Content Coking Coal 高硫焦煤开发利用的尝试 service.ilib.cn 2. Bettering the technical conversion of coal preparation process and promoting the sustainable development in Shanxi Coking Coal Group 搞好洗选工艺技术改造促进山西焦煤集团可持续发展 www.ilib.cn 3. The initial plan of financial affairs corporation to be founded in the Shanxi coking coal group 山西焦煤集团成立财务公司的设想 ilib.cn 4. Intelligent Use Coking Coal with High Ash to Reduced the Cost of Coal Blending 合理使用高灰焦煤降低配煤成本 www.ilib.cn 5. Corrosion and Seepage of Coking Coal Gas Pipe and Its Countermeasures 攀钢二期焦炉煤气管道腐蚀渗漏及对策 www.ilib.cn 6. Present status and development prospect of coal preparation industry in Shanxi Coking Coal Group 山西焦煤集团选煤业的现状及未来发展 ilib.cn 7. Quality Characteristic of Cleaned Coking Coal and Rich Coal from Gujiao Mining Area and Impact on the Quality of Coke 古交焦、肥精煤的煤质特征及对焦炭质量的影响 service.ilib.cn 8. By Strengthening Coal Quality Management Raises Coking Coal Product Quality 加强煤质管理提高焦煤产品质量 www.ilib.cn 9. The results indicate that the pore configuration of the coking coal is more complicated than that of gas coal; 研究结果表明,焦煤比气肥煤具有更为复杂的孔隙结构,具有更丰富的小孔和微孔; 202.127.156.16 10. The Relationship between Vitrinite Reflectivity and Other Index of Coking Coal in Taiyuan Coal Gasification Company 太原煤气化公司炼焦煤的镜质体反射率与其它指标间的关系 service.ilib.cn 1. Harness of Gas Disaster in Abnormal Gas Emission Zone in Main Coking Coal Company of Xinjiang Coking Coal Group 新疆焦煤集团主焦煤公司瓦斯异常涌出区瓦斯灾害治理 ilib.cn 2. Adjusting the coal source structure and optimizing the management in coking coal quality 调整煤源结构优化炼焦煤质量管理 www.ilib.cn 3. Anthracite coal blended with lean coal and coking coal powder to prepare excellent quality coke 无烟煤配入瘦煤和焦粉制备优质型焦 www.ilib.cn 4. Application of PLC to the Combining System for Coking Coal Blending and Coal Preparation PLC在焦化厂备煤及配煤综合系统中的应用 ilib.cn 5. The coking coal development project entered constructs the well design stage; 焦煤开发项目已进入建井设计阶段; iask.sina.com.cn 6. Application of FIX Configuration Software in Coking Coal Blending System FIX组态软件在焦化配煤系统中的应用 service.ilib.cn 7. Research on coking coal forming environments and metamorphism 焦煤成煤环境及煤变质作用分析 service.ilib.cn 8. Exploration and practice of developing cyclic economy at shanxi Coking coal Group 山西焦煤集团公司发展循环经济的探索与实践 ilib.cn 9. Study on the influence factors of compression strength of coking coal slime briquette 影响炼焦煤煤泥型煤的抗压强度因素研究 service.ilib.cn 10. To practice Technological Marketing Tactics in Shanxi Coking Coal Group 技术营销策略在山西焦煤集团公司的实践 ilib.cn 1. Coking Coal Resources Protection of Inner Mongolia and Sustainable Development of Coking Industry 内蒙古炼焦煤资源保护与焦化工业的可持续发展 www.ilib.cn 2. Suggestions for Coal and Coking Coal Circulation Marketing Process of Shanxi province 山西煤焦流通市场化改革建议 www.wenloo.com 3. The Coking Coal Resources and Production in Whole Country, Southwest Region and Panjiang of China 中国西南区和盘江炼焦煤资源与生产 www.ilib.cn 4. Discussion on the Roles of Preparation Coking Coal Process in Coking Production 备煤工序在炼焦生产中的作用 ilib.cn 5. Distributing and Utilization of Coking Coal Resource in Hebei Province 河北省炼焦煤资源分布与利用 www.ilib.cn 6. Depth Clarification of Slime Water in Oversized Coking Coal Cleaning Plant 炼焦煤选煤厂的煤泥水深度澄清 service.ilib.cn 7. Study on co-coking blending coking coal with low temperature coal tar pitch and tarry residue 低温煤焦油沥青及焦油渣配煤炼焦实验研究 www.ilib.cn 8. By Developing "Three Zero" Management Project Forges Brand of Xiqu Coking Coal 开展“三零”管理工程锻造西曲焦煤品牌 www.ilib.cn 9. Study on Optimization Coking Coal Blending Technology 优化炼焦配煤技术的探讨 service.ilib.cn 10. The Influence of Railway's Carrying Out Major Client Strategy on Shanxi Coking Coal Group 铁道部实施大客户战略对山西焦煤集团的影响 ilib.cn 1. Character of products of coking with disposed coking coal from Shougang Group 首钢预处理煤炼焦的产物特性研究 www.ilib.cn 2. Analysis and Suggestions on Influencing Factors of Coking Coal Price 焦炭价格影响因素分析及政策建议 www.ilib.cn 3. Analysis for Importing Coking Coal Influenced on Chinese Coal Market 浅析进口炼焦煤对中国煤炭市场的影响 www.ilib.cn 4. Reasonable Integration of Coking Coal Resources at Gujiao Mine Area 古交矿区炼焦煤资源的合理整合 www.ilib.cn 5. Influence of Blending Ratio of Prime Coking Coal on Coke Thermal Reactivity 主焦煤配入比例对焦炭热反应性的影响 www.ilib.cn 6. Properties of coking coal and quality of coke for the blast furnace 炼焦煤性质与高炉焦炭质量 qk.lib.cug.edu.cn 7. Sulphur Removal from High Sulphur Coking Coal at Nantong Mining Area 南桐矿区高硫炼焦煤的脱硫 www.ilib.cn 8. Washing Power Coal in Coking Coal Preparation Plant in Practice 炼焦煤选煤厂洗选动力煤的实践 ilib.cn 9. Discussion on Marketing Tactics of Coking Coal Market 当前焦煤市场的营销策略 service.ilib.cn 10. The discussion of mechanical sampling for coking coal 炼焦煤机械化采样方法的探讨 ilib.cn 1. The use and evaluation of Australian coking coal 澳大利亚焦煤的使用与评价 service.ilib.cn 2. Discussion on the Present Situation and Development of Coal Export in Shanxi Coking Coal Group Company 浅析山西焦煤集团公司煤炭出口现状与发展 ilib.cn 3. Optimize Coal Blending to Spare High-quality Coking Coal 优化配煤方案节约优质焦煤 www.ilib.cn 4. Taking Proper Blend Coal to Increase Clean Coking Coal Yield 采取合理配煤增加冶炼精煤产量 www.ilib.cn 5. Comparison of option for cleaning prime coking coal 主焦煤入选方案对比 service.ilib.cn 6. Reformation of Dense Medium System of Coking Coal Washery in Practice 炼焦煤选煤厂重介改造的实践 ilib.cn 7. The Seller shall sell and Buyer shall buy Mongolian Coking Coal as follows: 卖方和买方按照如下条款买卖蒙古焦煤: wenku.baidu.com 8. gas coal and coking coal plastic mass have poor spreadability for anthracite; 气煤、焦煤胶质体对无烟煤铺展能力较差; www.ceps.com.tw 9. Application of Coke Fines to Coking Coal Blend 焦粉在配煤中的应用 mhg.nextage.cn 10. Modification of Crushing System of Coking Coal 焦化煤粉碎系统的改造 www.ilib.cn 1. Utilize the Coking Coal Resources Rationally and Accelerate the Development of Stamp-Charge Coking Industry 合理利用焦煤资源加速发展捣固炼焦 mhg.nextage.cn 2. Distribution features of coking coal resources in China 中国炼焦煤资源的分布特征 ilib.cn 3. Resources and Production of Coking Coal and Anthracite in China 我国炼焦煤与无烟煤的资源和生产能力 www.ilib.cn 4. Coking coal resources and production in China 中国炼焦煤资源及生产 service.ilib.cn |
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