开采煤矿
- na.mine coal
- 网络work a coal mine; exploit a coal mine
开采煤矿开采煤矿
mine coal
小煤... ... ) mine coal 开采煤矿 Developing of coal mining technology in 21st century; 21世纪初煤矿开采技术的发展及对策 ...
work a coal mine
1-10-14 work 扩展的英语单词... ... out of work 失业 work a coal mine 开采煤矿 work a farm 经营一家农场 ...
exploit a coal mine
表示数目多少或... ... exploit one's office 营私舞弊 exploit a coal mine 开采煤矿 extract ... from 从……中取出, 从……中摘录 ...
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