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- 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。
- coal mining exploitation 煤矿开发
- The Application of Blind Number Theory in Coal Mine Exploiting 盲数理论在煤矿开采中的应用
- coal mine exploitation 煤矿开采
- Coal mining has always been a dangerous occupation. 采煤向来是一种危险职业。
- Prevention of mine water are basic jo bs of mine exploitation,and there are more and more important significan ces for sus-tainable development of coal industry. 矿山防治水工作是矿山开发的基础性工作,对煤炭工业的可持续性发展有越来越重要的意义。
- General bituminous coal mining; Motor freight. 一般烟煤开采;汽车货运。
- They underwrote the coal mine's bonds. 他们同意买下该煤矿的未认购的股票。
- The landscape was destroyed by coal mining. 自然景观由于挖煤而受到了破坏。
- There is a coal mine near my home town. 我的家乡附近有一个煤矿。
- Jiamusi Coal Mining Machinery Co. 和佳木斯煤矿机械有限公司。
- XUZHOU COAL MINING GROUP CO., LTD. 江苏徐州矿务集团有限公司。
- The simulation of ore body using computer technology is of significance to the design of mining exploitation design. 摘要利用计算机技术进行矿体形态的模拟对指导矿山开采设计具有重要的意义。
- A coal mining boom has swept across north China. 煤炭行业的繁荣,在华北到处可见。
- Heilongjiang Coal Mining Machinery Group Co. 宣布,已向国有黑龙江煤矿机械集团有限公司。
- In coal mines,coal exploitation and environmental control shall be sychronized. 煤矿建设应当坚持煤炭开发与环境治理同步进行。
- In the various of mine exploitation sites, there are many loose debris and earth from strata. 摘要各类矿山开发,都会大量扰动原始岩层,并且形成松散的废弃岩土体。
- The coal mining area is in the center of the basin. 煤矿区位于盆地的中心。
- Mine exploit is divided into several phases. In the first phase, main adit is located at 4100m. 采用分期开采,前期主平硐设在4100m水平。