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- coal mine mine shaft 煤矿井下
- The analyzed the features and difficulties of the support for goaf left by small coal mine in the mine shaft bottom of Shuguang Mine. 分析了曙光煤矿井底车场小煤窑遗留采空区支护的特点和难度,提出采用注浆加固、高强度锚杆、再配合预应力锚索支护方案。
- Metal material erosion mechanism and main damage form under coal mine shaft caused by erosion are introduced and propeses the measures for prevention. 介绍了金属材料腐蚀的机理和煤矿井下金属材料腐蚀破坏的主要形式,并提出了预防措施。
- The status of Panji No.2 Coal Mine mining area layout and problems of the coal and gas outburst are analyzed.The stope adjustment programs are pointed out. 分析了潘二煤矿采区布局现状及防突的难题,提出了采场调整的方案。
- A bucket used for conveying ore or coal up a mine shaft. 桶框把生铁或煤运上矿井的框
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- Mechanical computation of stairwell with GRP composite material in coal mine shaft 煤矿立井玻璃钢复合材料梯子间力学计算
- COAL MINE MINING PLAN BASED ON WORKGROUP MODEL 基于群件工作模式的煤矿采掘计划编制
- They underwrote the coal mine's bonds. 他们同意买下该煤矿的未认购的股票。
- The rigging for hauling or lifting located at the head of a mine shaft. 在矿井顶部杆上用于提升某物的索具
- There is a coal mine near my home town. 我的家乡附近有一个煤矿。
- They got through into the flooded mine shaft,and rescued the comrades. 他们努力进入水淹的矿井，救出了同志们。
- We decided to open out a coal mine near the city. 我们决定在城市附近开发一煤矿。
- They got through into the flooded mine shaft, and rescued the comrades. 他们努力进入水淹的矿井，救出了同志们。
- The coal mine was closed down due to exhaustion. 这煤矿因矿源枯竭而关闭了。
- They are developing a new coal mine. 他们在开发新煤矿。
- They sold the coal mine at a profit. 他们把煤矿卖掉赚了钱。
- China Geological Coal Mine Corp. 中国地方煤矿总公司。
- Coal Gas Factory of Datong Coal Mine Gro. 大同煤矿集团有限责任公司煤气厂。
