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- In this paper,the gas emission method of primary mining in high gas coal face are summarized systematically,which provides reterence for other similar coal mines. 本文系统地总结了淮南高瓦斯工作面初采期间瓦斯抽放方法,以供类似条件的矿井参考。
- Discussion on gas control measure for one pass cutting coal mining face of high gas coal mine in Jincheng mining area 高瓦斯矿井一次采全高综采工作面瓦斯治理
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- Analysis on the gas coal dust explosion accidence in Mennanzhuang coal mine 孟南庄煤矿瓦斯煤尘爆炸事故原因浅析
- Discussion on the continuity plan of working faces in high gas coal mines 浅析双高矿井采掘接续计划评价体系
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- high - gas coal mine 高瓦斯矿井
- Coal Gas Factory of Datong Coal Mine Gro. 大同煤矿集团有限责任公司煤气厂。
- Methane treatment in low- gas coal mine fully mechanized caving working face air-returning corner 低瓦斯矿井综放工作面回风隅角的瓦斯治理
- Ventilation hiden trouble analysis and preventive countermeasures of gas coal dust and fire of Heilongjiang Prov. Coal Mine 黑龙江省煤矿通风安全隐患分析与重大瓦斯煤尘和火灾事故预防对策
- 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。
- This technology fits abroad excavating coal mine because of its high veracity. 该技术有较高的准确率,适用于煤矿采区。
- 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。
- Foul or poisonous gas that sometimes pollutes the air in coal mines. 矿井瓦斯，有毒气体矿井中有时污染空气的恶臭气体或有毒气体
- 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。
- A passage or gallery in a coal mine. 通道煤矿中的通道或水平巷道
