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- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- coal mine laneway 煤矿巷道
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- At present,the excavation level of rock laneway is low,which badly influences the continuous production of coal mine. 目前,岩石巷道掘进水平普遍偏低,严重影响了煤矿接续生产。
- According to the construction experience of Guzhuang Coal Mine in Yangquan City for many years, the paper analyses the application of smooth blasting in coal laneway bolting. 阳泉固庄煤矿根据多年来施工实践经验,分析光面爆破在煤巷锚杆支护施工中的应用。
- This paper numerically investigated the basic conditions and possibility of the secondary disaster in the coal mine caused by the mine fire in the laneway. 本文采用数值分析方法研究井下掘进巷道内火灾所导致的继发性灾害发生的条件。
- 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。
- 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。
- 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
- My grandfather used to work in a coal mine. 我祖父曾在煤矿工作过。
- Liu township coal mine enterprises. 乡镇企业有刘沟煤矿。
- The miner is digging the coal mine. 矿工叔叔在挖煤。
- The company operates two factories and a coal mine. 那家公司经营两家工厂和一个煤矿。
- This year's yield from the coal mine was very large. 今年这煤矿产量甚丰。