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coal mine
| construction project
| coal mine | |
| oil | 煤矿 |
| coal mining | |
| environ. | 煤矿开采 |
| construction project | |
| bridg.constr. | 建筑方案; 施工方案 |
| econ. | 施工项目; 建设项目 |
| hydroel.st. | 建设工程项目 |
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| 煤矿 | |||
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| 煤矿开采 (挖掘煤炭以及将其准备投入市场的技术、机械工作。) | |||
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| 煤矿 | |||
| coal mine: 90 phrases in 14 subjects |
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