| 单词 | soft roof | ||
| 释义 | soft roof
例句释义: 软顶板 1. The support of coal roadway in seam with soft roof, soft coal and soft floor is a problem of influencing production. 前言：“三软煤层”巷道支护问题一直是困扰生产的难点之一。 www.chemyq.com 2. Convertible : A convertible is a car with a soft roof that can be folded down or removed. 敞篷车：一种拥有可以折叠或拆卸的软顶的小型汽车。 blog.sina.com.cn 3. There are three coal mines in Xin'an Coalfield. The Shanxi group irregular(2-1) coal seam has soft roof, soft coal and soft floor. 在新安煤田新建的三对矿井，主采煤层均为山西组2-1三软不稳定煤层。 www.chemyq.com 4. Technical Research on the Anchor(Cable)Beam Net Support for the Coal Tunnel with Soft Roof, Soft Bottom and Soft Two sides 三软煤巷锚（索）梁网支护技术研究 www.ilib.cn 5. Study on the Influence Laws of Side Pressure Coefficient on Roof Failure of Roadway in Alternating Stratified Soft Roof Rock 侧压系数对巷道软弱互层顶板岩体破坏影响规律研究 service.ilib.cn 6. Fully mechanized top coal caving mining technology under unstable thick seam with soft roof, soft coal and soft floor 三软不稳定厚煤层条件下综采放顶煤技术 ilib.cn 7. Maintenance technology of coal slide and roof fall in full mechanized caving face in soft roof, soft coal and soft floor seam 煤层综放工作面片帮冒顶维护技术 www.ilib.cn 8. Support technology for large cross section two open-off cuts with complex roof in seam with soft roof, soft coal and soft floor 三软煤层复合顶板大断面双切眼支护技术 ilib.cn 9. Analysis on strata pressure of fully mechanized longwall coal mining face in soft roof, soft coal and soft floor seam 三软煤层综采长壁工作面采场矿压分析 ilib.cn 10. Grouting reinforced technology for soft floor of soft roof, coal and floor seam in Zhengzhou Mining Area 郑州矿区三软煤层底板注浆加固技术 www.ilib.cn 1. Research on support technology for full seam mining gateway with soft roof, soft coal and soft floor 三软煤巷支护技术研究 www.ilib.cn 2. Road driving along next goaf with bolt support in deep soft roof, floor and coal seam with complex roof 大采深复合顶板三软煤层沿空掘巷锚杆支护 ilib.cn 3. Practice on fully mechanized top coal caving and one pass cutting in lignite seam with soft roof 软岩褐煤综采低位放顶煤一次采全高的实践 service.ilib.cn 4. Bolt Support Technology for Large Cross Section Seam Gateway with Very Soft Roof 大断面特软顶板煤巷锚杆支护技术 ilib.cn 5. Selection of Bolt Support Parameters for Mining Gate with Soft Roof, Coal and Floor 三软回采巷道锚杆支护参数的选择 www.ilib.cn 6. Ground pressure regulation in extremely soft roof coal face 极松软顶板工作面矿山压力活动规律 service.ilib.cn |
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