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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。
- A Plant Species Selection Model for Revegetation of Abandoned Land Contaminated from Coal Mining Activities 煤矿废弃地植物恢复品种选择模型研究
- A potentiality evaluation model for revegetation of abandoned lands from coal mining activities 煤矿废弃地植被恢复潜力评价模型
- HEAVY METALS IN SOIL CONTAMINATED BY COAL MINING ACTIVITY 采矿活动对煤矿区土壤中重金属污染研究
- 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。
- 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。
- coal mining activities 采煤活动
- 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。
- Mine activation delay increased from 10 to 30 secs. 矿活化拖延从10个增加到30秒。
- 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。
- A Combination Study on Large Trackless Vehicles Used in Underground Mining Activities of Xinqiao Mining Corporation, ltd. 大型无轨设备在新桥矿地下开采中的配套应用研究。
