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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。
- The Application of Combined Suspension Frame Top-coal Blasting and Mining Technique in Gushuyuan Coal Mine 组合悬移支架炮采放顶煤工艺在古书院矿的应用
- Bordering Coal Mining Technique and Installation and Dismantle Process Practices at Nan Tun Coal Mine 南屯矿边界煤开采技术与安撤工艺实践
- A Brief Talk on Coal Mining Technique in Coal Bed Gas Parameter Well SPMT-1 in the Shiping Well Field 浅议川南石屏井田SPMT-1号煤层气参数井采煤技术问题
- Coal mining has always been a dangerous occupation. 采煤向来是一种危险职业。
- General bituminous coal mining; Motor freight. 一般烟煤开采;汽车货运。
- Data mining technique is briefly introduced in the paper. 摘要文章简要介绍数据挖掘技术。
- 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。
- 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。
- The coal mining area is in the center of the basin. 煤矿区位于盆地的中心。
- Township enterprises mainly in coal mining. 乡镇企业以开采煤炭为主。
- Scope: Coal mining. Coal mining. 经营范围:开采原煤。
- On optimization of mining technique used in Hubei Sanxin Gold-Copper Stock Co., Ltd. 湖北三鑫金铜股份有限公司采矿方法优化探讨。
- It has some guidance meanings in coal mine use this technique in the aftertime. 对今后煤矿运用该支护技术提供了指导作用。