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- coal mine tunnel under deep earth 深部煤矿巷道
- Discussion of Fixed-point Spray Dust-collecting Methods for Coal Mine Tunnel 煤矿巷道定点喷雾降尘方法探讨
- 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。
- Application of Construction Project of Gas Drainage First Then Digging in West Wing Mine Tunnel of Sihe Coal Mine 寺河矿西翼巷道先抽后掘施工方案的应用
- NUMERICAL ANALYSIS ON RUPTURE OF SUBFLOOR OF COAL MINE TUNNEL SUBJECTED TO BLASTING LOADS 爆炸荷载作用下煤岩巷道底板破坏的数值分析
- Application on acoustic measurement of rock mass in engineering geological research of coal mine tunnel 岩体声波测试在煤矿巷道工程地质研究中的应用
- Effects of Electric Locomotive on Cut-off Frequencies of Electromagnetic Wave in Coal Mine Tunnel 煤矿巷道中运输机车对电磁波截止频率的影响
- Keywords coal mine tunnel;laneway support;pre-stressed anchor;optimization design; 关键词煤矿巷道;巷道支护;预应力锚索;优化设计;
- They underwrote the coal mine's bonds. 他们同意买下该煤矿的未认购的股票。
- There is a coal mine near my home town. 我的家乡附近有一个煤矿。
- coal mine tunnel 煤矿巷道
- 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。
- 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。
- Rescuers recover a victim at the mine tunnel in West Sumatra, Indonesia, on Tuesday. 周二,搜救人员从煤矿中救起了一名受害者。
- Coal Gas Factory of Datong Coal Mine Gro. 大同煤矿集团有限责任公司煤气厂。
- A passage or gallery in a coal mine. 通道煤矿中的通道或水平巷道