单词 | sieving |
释义 | sieving是sieve的现在分词
复数:sieves 现在分词:sieving 过去式:sieved v. sift,filter,separate,strain n. strainer,mesh,riddle,screen,sifter 例句释义: 筛选,筛,〈比喻〉嘴松的人,筛分,过筛,筛析 1. ALUMINIUM OXIDE PRIMARILY USED FOR THE PRODUCTION OF ALUMINIUM. PARTICLE SIZE ANALYSIS. SIEVING METHOD. 主要用于铝生产的氧化铝.粒度分析.筛选法 www.mapeng.net 2. Without light clouds and thin hazes sieving the sunshine and creating a colorful glow, how boring the sky would be! 如果没有轻云薄雾把日光筛漏出五色霞彩来,天空该多么单调枯燥! blog.sina.com.cn 3. Vibration screen is a sort of sieving machine which is widely applied to roadbuilding, coal, metallurgy, petroleum, grain, etc. 振动筛是一种广泛应用于筑路、煤炭、冶金、石油、粮食等行业的筛分机械。 paper.pet2008.cn 4. It is widely used for salt washing, salt granule grading and sieving dry or granule material in chemical, metallurgy and grain industries. 广泛用于制盐水洗、制盐多种颗粒分级、化工、冶金、粮食等行业中的干式或粒状物料的筛分。 product.ch.gongchang.com 5. The molecular sieving effect is spoiled due to the existence of defects in zeolite membranes, resulting in lower separation selectivity. 缺陷的存在降低了分子筛膜的筛分作用和分离选择性,从而限制了其工业应用。 www.ceps.com.tw 6. Improved advice of the unit and the technical conclusion are obtained by means of sieving and accounting the data. 通过对数据的筛选及核算,得出技术分析结论和装置的改进建议。 www.chemyq.com 7. The utility model relates to equipment which can simultaneously be used for drying and sieving materials. 本实用新型是一种可同时用于物料烘干和筛分的设备。 ip.com 8. Over time, particles rejected by the sieving action of the membranes build up on the outside of each fiber. 一段时间后,拒绝了颗粒膜的筛分作用,建立对外界每个纤维。 zhidao.baidu.com 9. Mechanical processes, including solids transportation, crushing and pulverization, screening and sieving. 机械过程,包括固体运输,粉碎,粉碎,筛选,筛分。 www.94493.com 10. The process used to recycle non-deposited powder through the gun for reuse (after mixing and sieving). 通过喷枪循环使用(筛分和混合后)没有沉积的粉末的过程。 hi.baidu.com 1. The manufacture steps comprise processing rubber powder, drying, sieving, blending, stirring, molding and cooling. 制作步骤包括加工胶粉、烘干、筛滤、混合、搅拌、成型、冷却。 ip.com 2. The pollen can then be separated from the rest of the catkin by sieving through cheesecloth or fine screen . 以粗纱布或细筛过筛,便可将花粉同雄花序的其它部分分开。 www.bing.com 3. sieves and sieving . preformed wire gauze with square apertures made from high tensile steel round wire for industrial sieving. 筛和筛分。工业用退火圆钢丝制方孔金属丝网。钢丝直径。 www.ichacha.net 4. SODIUM TRIPOLYPHOSPHATE AND PYROPHOSPHATE FOR INDUSTRIAL USE. GRANULOMETRIC ANALYSIS BY MECHANICAL SIEVING. 工业三聚磷酸钠和焦磷酸钠.机械筛后的粒度分析 www.mapeng.net 5. Sieving suitable strain and matching technology is the core of production in a factory farm. 筛选适合菌株和相配套的工艺指标是企业化生产的“核心”。 www.fabiao.net 6. Bitumen and bituminous binders - Determination of residue on sieving of bitumen emulsions, and determinatin of storage stability by sieving. 沥青和沥青粘合剂.沥青乳液的筛余物和筛分存储稳定性的测定 www.mapeng.net 7. Wet-sieving method is a classical and still the most prevalent procedure for testing the water stability of soil aggregates. 湿筛法是测定土壤团聚体粒径分布和稳定性的经典方法。 www.sswcc.org 8. hifacs is a highly stable micro - encapsulated feed . therefore , sieving before feeding is not needed. 是一种微胶囊化产品,安定性好,使用时不必筛网洗过,可直接投饲。 www.ichacha.net 9. PLASTICS. AQUEOUS DISPERSIONS OF HOMOPOLYMERS OR COPOLYMERS. DETERMINATION OF PARTICLE CONTENT BY SIEVING. 在聚物和共聚物的水分散物.筛分法测定颗粒含量 www.mapeng.net 10. Our products are of the state of art technology in the field of sieving and filtering. 在筛分、过滤领域的工业应用中,拥有领先的技术。 www.2010sme.com 1. SIEVING AND GRANULOMETRY. DETERMINATION OF THE AREA PER UNIT OF MASS OR VOLUME OF POWDERS BY PERMEAMETRY. LEA AND NURSE METHOD. 筛分和粒度.用渗透法对粉末的体积或单位面积进行测定.LEA法和NURSE法 www.mapeng.net 2. Use sieving tight structure , strong tightening and stretching change and wash easily. 采用筛紧结构,筛选张紧度强,更换方便,清洗容易。 www.dgtaiding.com 3. Methods The chest sees through sieving a high blood pressure sufferer within the check-up crowd. 方法:胸部透视筛选体检人群中的高血压患者。 www.chemyq.com 4. Round vibrating screen is high precise sieving machine for fine powder with low noise and high efficiency. 圆振动筛是高精度筛分机的细粉与低噪声和高效率。 club.china.alibaba.com 5. The XZ triple vibration, sieving and filtering machine is used to sieve and filter various powders, grains and serums . XZ三次振动·筛分·过滤机用于筛分过滤各种粉末、颗粒及浆液。 dictsearch.appspot.com 6. Liming materials - Determination of size distribution by dry and wet sieving. 石灰处理材料.用干湿筛选法测定粒度分布 www.mapeng.net 7. Tests for geometrical properties of aggregates - Part 10 : assessment of fines - Grading of fillers (air jet sieving). 集料的几何性能试验.第10部分:细粒评定.填料的分级(喷气筛) www.mapeng.net 8. stirring for 1 hr, solid-liquid separating, eliminating liquid, stoving solid, crushing, sieving and packing. 后搅拌1小时,进行固液分离,液体舍弃,固体烘干、粉碎、过筛、包装即可。 ip.com 9. Each medicine is compatibility, pulverizing, sieving, then to get the pill medicine. 各种药经配伍、粉碎、过筛而制成丸药。 ip.com 10. And obtained thereinafter results: 1. As to sieving the different mediums type, MS was confirmed the best suitable medium. 主要取得了以下研究结果:1通过对不同培养基的筛选,确定MS最适合葡萄再生。 www.fabiao.net 1. Molecular sieving appears to contribute to the gas permeation. 碳膜分离气体的机理主要为分子筛分。 www.ceps.com.tw 2. SIEVES AND SIEVING. TERMINOLOGY RELATING TO DEFECTS IN WIRE SCREENS. 筛和筛分.金属网缺陷有关词汇 www.mapeng.net 3. crushing equipments of series Gear-type Crusher, Gear-type Sieving Crusher, Inertial Cone Crusher, etc. 系列轮齿式破碎机、轮齿式筛分破碎机、惯性圆锥破碎机等破碎设备; www.chinaminexpo.com 4. IRON ORES. DETERMINATION OF SIZE DISTRIBUTION BY SIEVING. 铁矿石.筛选的粒度分布测定 www.mapeng.net 5. The DNA pieces are sorted according to size by a sieving technique called electrophoresis. dna片段将通过一种叫电泳现象的筛选技术来根据大小分类。 qq163s.cn 6. Abrasive grains. Test sieving machines. 磨料.试验筛分机械 www.mapeng.net 7. Solid fertilizers - Test sieving. 固体肥料.筛分试验 www.mapeng.net 8. A perforated iron plate or screen for sieving and grading crushed ore. 篦条筛用于筛选粉碎的矿石并分级的有孔铁板或铁筛 zhidao.baidu.com 9. Generating the pressure needed to do this sieving consumes about 4kWh per cubic metre of water. 筛化每立方水所需要的压力将消耗4千瓦小时的能量。 www.bdza.cn 10. and 6. cooling, drying, crushing and sieving to obtain the resistant starch. 经冷却、干燥、粉碎和过筛,制得抗性淀粉。 ip.com 1. grinding the sheet glass into powder and sieving. 最后将玻璃片研磨为粉状,并过筛。 ip.com 2. By making use of the merits of artificial rockfill, a detailed statistic and sieving analysis of particle breakage was performed. 3. 利用人工模拟料颗粒可数的优点,对试验后颗粒破碎的情况进行了详细的统计和筛分。 www.boshuo.net 3. Hard coal. Size analysis by sieving. 硬煤.用筛分进行粒度分析 www.mapeng.net 4. By test analysing twenty odd kinds of agents home and abroad, sieving four kinds of more effective agents. 通过实验分析国内外二十几种此类助剂,筛选出四种效果较好的助剂。 www.chemyq.com 5. The first sieving captured larger objects such as pottery and bone. The second caught smaller objects, including nuts and seeds. 第一次筛选获得较大的物体,如陶器和骨头。第二次筛分出较小一点的物体,包括坚果和种子。 www.bing.com 6. The sieving medium was 5%T, non-cross-linked polyacrylamide in 7 M urea. 在筛分介质为5%吨,非交联聚丙烯酰胺在7米尿素。 www.syyxw.com 7. The Sieving Performance of a New Polyethersulfone Hollow Fiber Plasma Fractionation Membrane 一种新聚醚砜中空纤维血浆成分分离膜的 www.ilib.cn 8. Sodium tripolyphosphate and sodium pyrophosphate for industrial use; Determination of particle size distribution by mechanical sieving 工业用三聚磷酸钠和焦磷酸钠.用机械筛分法测定颗粒大小分布 www.mapeng.net 9. Geotextiles and geotextile-related products--Determination of the characteristic opening size-wet sieving method 土工布及其有关产品有效孔径的测定湿筛法 www.zftrans.com 10. The composition sieving of the unleaded soldering and the manufacturing craft of its powder material 无铅焊锡的成份筛选及其粉材的制造工艺 tw.netsh.com 1. Polymerase Chain Reaction Product Analysis by Capillary Electrophoresis in a Denatured Non-gel Sieving Matrix 变性无胶毛细管筛分电泳分析聚合酶链式反应产物 www.ilib.cn 2. Sodium hexafluorosilicate for industrial use; Determination of particle size distribution; Sieving method 工业用六氟硅酸钠.颗粒大小分布的测定.筛分法 www.mapeng.net 3. A report of formulation sieving experiment about propolis mouth wash repressing to transform the Streptococci growth 蜂胶漱口液抑制变形链球菌生长的配方筛选实验 www.ilib.cn 4. Plastics - Vinyl chloride homopolymer and copolymer resins - Particle size determination by mechanical sieving 塑料。氯乙烯均聚物和共聚物树脂。采用机械筛分法进行的粒度测定 www.chinastandard.com.cn 5. Bitumen and bituminous binders - Determination of residue on sieving of bitumen emulsions, and determination of storage stability by sieving 沥青和沥青粘合剂沥青乳化剂筛渣的测定及筛法测定堆积稳定性 www.mapeng.net 6. An experimental study of bed material regeneration with the multi-sieving method 流化床床料再生的多级筛分方法实验研究 www.ilib.cn 7. tests for geometrical properties of aggregates - determination of particle size distribution - sieving method 集料的几何特性试验.粒度分布测定.筛法 www.ichacha.net 8. Cellulose-based Capillary Non-gel Sieving Electrophoresis and Its Application 基于纤维素衍生物的毛细管无胶筛分电泳及其应用 service.ilib.cn 9. Sieving and Identification of Highly Efficient Heterotrophic Deodorizing Bacteria 高效异养脱臭菌的筛选及鉴定 www.ilib.cn 10. Soil quality - Determination of particle size distribution in mineral soil material - Method by sieving and sedimentation 土壤质量.矿质土壤材料粒度分布的测定.筛分法和沉淀法 www.mapeng.net 1. Spices and condiments; Determination of degree of fineness of grinding; Hand sieving method (Reference method) 香料和调味品.研磨细度的测定.手工筛分法(参照法) www.mapeng.net 2. Comparison of accumulative percentage curves for particle sizes obtained from sieving and settling approaches 筛分法与粒径计法所得颗粒级配累计曲线比较 sunyitian.bokee.com 3. Application of principal component analysis in evaluation of meat quality and sieving optimal combination in crossbred pigs 主成分分析在杂交猪肉质评定及杂交组合筛选中的应用 www.ilib.cn 4. Sodium perborates for industrial use; Determination of particle size distribution by mechanical sieving 工业用过硼酸钠.用机械筛分法测定颗粒大小分布 www.mapeng.net 5. The sieving performances of the standard test sieve shaker of the electromagnetic vibrative pattern 电磁振动式标准筛振筛机的筛分性能 service.ilib.cn 6. Methods of test for paints - Testing of coating powders - Determination of particle size distribution of coating powders by sieving 涂料的试验方法.粉末涂层粒径分布的筛分测定 www.mapeng.net 7. Analysis of coffee and coffee products; determination of particle size of ground roasted coffee, air-jet sieving method 咖啡和咖啡制品的分析。磨碎焙炒咖啡粒度的测定。气流喷射筛分法 www.standardcn.com 8. The preparation method comprises the following operational steps: grinding metronidazole into powder, sieving; 其制备方法包括下述操作步骤:将甲硝痤磨成粉末状,过筛; ip.com 9. Testing of plastics; determination of particle size distribution of moulding materials by dry sieving analysis 塑料的检验.通过干法筛析测定颗粒大小和分布 www.mapeng.net 10. Preparation and Sieving Property of Adsorbing Resin with Homogeneous Pore Diameter and Controllable Large Pore 孔径均匀、可控的大孔吸附树脂的制备及筛分性能的研究 ilib.cn 1. Sieving of surfactant used in emulsifying and viscosity reducing for heavy oil 稠油乳化降黏开采用表面活性剂的筛选 www.ilib.cn 2. Magnesium powders and aluminium-magnesium alloy powders--Determination of particle size by dry sieving method 镁粉、铝镁合金粉粒度组成的测定干筛分法 www.zftrans.com 3. Application of Macromolecule Polymers in Non-gel Sieving Capillary Electrophoresis 高分子材料在无胶筛分毛细管电泳中的应用 www.ilib.cn 4. Spices and condiments - Determination of degree of fineness of grinding - Hand sieving method 香辛料和调味品磨碎细度的测定手筛法 www.zftrans.com 5. Experiments of Sieving Behavior of Electromagnetic Vibration Supplier 电磁振动下料器的筛分性能试验 www.ilib.cn 6. Testing of carbon materials; determination of particle size distribution by sieving; solid matters 碳素材料检验.通过筛分测定粒度分配.固态物质 www.mapeng.net 7. Sieving culture medium inducing callus carcinogenic rhizome of Stachys sp. With growth inducement value 用生长诱导值筛选地灵愈伤组织诱导培养基 service.ilib.cn 8. Sieving Active Ingredients of Chinese Traditional Medicines by Biological Methods 用生物筛选法筛选中药活性成分的研究 www.ilib.cn 9. Tests for geometrical properties of aggregates - Assessment of fines - Grading of fillers (air-jet sieving) 集料的几何性能试验.颗粒的评价.填充物的级别.(喷气筛) www.mapeng.net 10. Research On Patent Sieving and Evaluation Indicator System for Industrialization 专利技术产业化筛选评估指标体系研究 www.ilib.cn 1. Testing of bituminous binders; determination of the residue on sieving of emulsions 沥青粘接剂的检验.乳化液筛余物的测定 www.mapeng.net 2. Analysis of allergen sieving detection results and clinical significance in children with asthma 儿童哮喘变应原过筛检测结果及其临床意义 www.ilib.cn 3. Excellent sales skills, three years or above related industrial sales experience, experience in ultrasonic sieving equipments is a plus; 三年以上专业机械设备销售经验,如有超声波筛分相关销售工作背景更佳,优秀的销售技能。 www.021so.com 4. Determination of Osteopontin at Trace Levels by Non-Gel Sieving Capillary Electrophoresis 无胶筛分毛细管电泳法检测微量蛋白质骨桥蛋白 www.ilib.cn 5. Exploitation, Crash, Sieving and Conveying System Design of Taiyuan Steel Company's Limestone Mine 太钢溶剂灰岩矿山开采及破碎筛分与输送系统设计 www.ilib.cn 6. Tests for geometrical properties of aggregates - Part 1: Determination of particle size distribution - Sieving method 集料的几何性能试验第1部分:粒度分布测定筛分法 www.mapeng.net 7. Realizing Sieving Samples and Optimizing Operation by Visualized Method 样本筛选与操作优化的可视化方法实现 www.ilib.cn 8. Fluorspar; determination of particle size distribution by sieving 荧石.用筛分法测定粒度分布 www.mapeng.net 9. Contrast analysis on diamond grit size distribution in figure-analysis system and sieving system 人造金刚石形貌分析系统与振筛系统测试金刚石粒度组成的对比研究 www.ilib.cn 10. Formulation Sieving Experiment of Tebufenozide and Cypermethrin Controlling Paddy Rice 虫酰肼、氯氰菊酯防治水稻二化螟配方筛选试验 www.ilib.cn 1. The Reason Analysis and Solutions about Surface Sieve Breakdown in the Sieving and Filtering Machine 筛滤机面网破损原因分析及解决措施 www.ilib.cn 2. The method comprises the following procedures: crushing ganoderma lucidum fruit bodies and sieving; 其步骤包括:将灵芝子实体粉碎,过筛; www.hgpf114.com 3. A Sieving Study on the Effective Location of Antithrombotic Medicinal Substances 抗血栓药材有效部位的筛选研究 www.ilib.cn 4. Mechanisms of DNA Separation by Capillary Electrophoresis in Non-Gel Sieving Matrices 毛细管电泳无胶筛分介质分离DNA的机理 service.ilib.cn 5. Soil quality - Physical methods - Method by sieving and sedimentation 土壤质量.物理方法.筛分和沉淀法 www.mapeng.net 6. Using Optic Sieving to Obtain the Gradation Curve for Particles with Random Parameters 用图像筛选法求取带有随机参数之颗粒堆的质量分级曲线 www.ilib.cn 7. the sieving device has simple structure and convenient use, and the sieving mesh is conveniently changed; 筛分器结构简单,使用方便,更换筛网方便; ip.com 8. A Study on Sieving Decolorizing Germ of Dyeing Wastewater and Decolorizing Technics 印染废水脱色菌的培育及脱色工艺的研究 www.ilib.cn 9. Selection of sieving equipment in Ur-based compound fertilizer production 尿基复合肥装置筛分设备的选用 service.ilib.cn 10. Study on Auto-control System for Closed Grinding and Sieving Circuit in Plant of Yongping Copper Mine 永平铜矿选矿厂细碎筛分闭路自动控制系统研究 www.ilib.cn 1. Manganese ores; determination of size distribution by sieving 锰矿石.用筛分法测定粒度分配 www.mapeng.net 2. Quick determination of mortar proportion by the method of sieving and washing 筛洗法快速测定砂浆配合比 ilib.cn 3. Sieving Study on Optimum Enhancing Culture of Lyophilized Lactobacillus bulgaricus 冻干保加利亚乳杆菌增菌培养基的筛选 www.ilib.cn 4. Test Method for Particle Size Distribution of Catalytic Materials by Sieving 筛分法对催化材料的粒度分布的试验方法 www.isres.com 5. Screening Efficiency Research of Elastic Sieving Plate of Flip - flow Screen 弹性弛张筛面变形运动对筛分影响的探讨 www.ilib.cn 6. Preliminary Report on Sieving of Medicament for Deratization in Village 农村灭鼠药剂筛选试验初报 scholar.ilib.cn 7. Research on Sieving and Evaluation Model of High-tech Industrialization 高新技术产业化筛选评估模型研究 www.ilib.cn 8. Separation of DNA by Capillary Electrophoresis with Sieving Matrix of Linear Poly-N-isopropylacrylamide 聚N-异丙基丙烯酰胺无胶筛分毛细管电泳分离DNA片段 www.ilib.cn 9. grinding into fine powder, sieving, and filtering out dregs of medicaments; 第三步共研细粉,过筛,滤出药渣; ip.com 10. Application of Sieving and Vibrating Distributor in Pneumatic Feeding System of Cut Tobacco 筛分振动分配机在风力送丝系统中的应用 www.ilib.cn 1. Metallic powders - Determination of particle size by dry sieving 金属粉末.用干筛法测定粒度 www.mapeng.net 2. Determination of particle size for metallic powders--Dry sieving 金属粉末粒度组成的测定干筛分法 www.zftrans.com 3. Developing for sieving equipment on coal supplying system for boiler 锅炉供煤系统筛分设备的改进 www.ilib.cn 4. Granulated cork; size analysis by mechanical sieving 粒状软木.用机械筛分法的粒度分析 www.mapeng.net 5. Method of Determining and Expressing Fineness of Feed Materials by Sieving 通过筛子的饲料的精细度测定方法 www.mapeng.net 6. An improvement and application for sieving method in pesticide emulsifier 农药乳化剂筛选方法的改进与应用 www.ilib.cn 7. Probability Sieving and the Design of the Probability Sift 概率筛分与概率筛设计 ilib.cn 8. A sieving-drying machine of bidirectional transport 双向运输筛分烘干机 ilib.cn 9. Prepare the balanced coal system craft reform of Fenghai Sieving Plant 丰海筛选厂配煤均化系统工艺改造 www.ilib.cn 10. A Algorithm about Group Appraising with Sieving Function 筛选式群体评价模型及算法 www.ilib.cn 1. iron ore - determination of size distribution by sieving 铁矿石粒度分布的筛分测定 www.ichacha.net 2. Sieving of Fungicides in Laboratory of Control Spring Wheat Head Scab 防治春小麦赤霉病的室内药剂筛选 service.ilib.cn 3. Systematic Management - Key to Raise the Level of Sieving Diseases of Newly - born Infants in Hainan 实行系统管理是提高海南新生儿疾病筛查水平的关键 www.ilib.cn 4. Coating powders; part 1: determination of particle size distribution by sieving 涂覆用粉.第1部分:用筛分法测定粒度分布 www.mapeng.net 5. The Application of PLC in the Inclined Ladder Type Roll Sieving Coal Machine PLC在阶梯倾斜式滚动筛煤机控制系统的应用 www.ilib.cn 6. Sieving of Selective Media for Beauveria bassiana 球孢白僵菌选择性培养基的筛选 scholar.ilib.cn 7. Improvement of High Efficiency Sieving Mill 关于高效筛分磨的改进 www.ilib.cn 8. Anping county xianghe metal sieving mesh factory 安平县祥和金属筛网厂 ecthai.com 9. Quality evaluation and parameter optimization of sieving and casing process based on robust design 基于稳健性设计的筛分加料工序质量评价和参数优化 service.ilib.cn 10. Method of testing fly ash - Determination of fineness by wet sieving 飞灰的试验方法.用湿筛法测定细度 www.mapeng.net 1. Discussion on the Mesh Size Sieving Method for Imported Iron Ore 进口铁矿石目级粒度筛分方法的探讨 www.ilib.cn 2. Test methods for sieving chemical products 化学产品筛析试验方法 www.ybqi.gov.cn 3. test methods for quality of coal water mixture - part 3 : sieving method for coal water mixture 水煤浆质量试验方法第3部分:水煤浆筛分试验方法 www.ichacha.net 4. Test sieving; part 1: methods using test sieves of woven wire cloth and perforated metal plate 筛分试验.第1部分:用于编织金属丝布及穿孔金属板的筛分试验方法 www.mapeng.net 5. Book Collection Sieving in Modern Library 现代图书馆的藏书剔除工作 service.ilib.cn 6. Test sieves and test sieving; vocabulary 试验用筛和筛分试验.词汇 www.mapeng.net 7. Before sieving, in the nerve nose an amputation; 筛前神经鼻内支切断术; www.hao910.com 8. Automatic Quality Sieving System of Gas Sensors 全自动瓦斯传感器质量筛选系统 www.ilib.cn 9. Glossary of terms for test sieves and test sieving 试验筛和试验筛分术语词汇 www.mapeng.net 10. Sieving Equipment for Light and Dense Soda 轻质纯碱和重质纯碱筛分设备 www.ilib.cn 1. the test sieving method for fineness of cement 水泥细度检验方法筛析法 www.ichacha.net 2. Method of testing fly ash - Part 2: Determination of fineness by wet sieving 飞灰的测试方法第2部分:用湿筛法测定细度 www.mapeng.net 3. Sieving of Solid Catalysts for Synthesis of 1-Methoxy-2-propanol with High Selectivity 高选择性合成1-甲氧基-2-丙醇固体催化剂的筛选和催化作用 www.ilib.cn |
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