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coal resources
| exploration
| coal resource | |
| agric. | 煤炭资源 |
| exploration | |
| gen. | 探索 |
| environ. | 勘探 |
| hydroel.st. | 勘查; 勘探 |
| interntl.trade. | 探测 |
| met. | 探查; 考察 |
| mount. | 探险 |
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| 煤炭资源 | |||
| |||
| 煤炭资源 | |||
| coal resources: 18 phrases in 6 subjects |
| Agriculture | 2 |
| China | 5 |
| Earth sciences | 4 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Technology | 5 |
| United Nations | 1 |
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