 |
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| 原矿 | |||
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| 原煤矿山采出的未经分级的全部产品; 未经选洗的原矿; 一般产品 | |||
| 原矿; 原煤 | |||
| mine -run: 46 phrases in 11 subjects |
| Business | 3 |
| Desert science | 1 |
| Earth sciences | 2 |
| Ecology | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 6 |
| General | 4 |
| Geology | 2 |
| Management | 6 |
| Metallurgy | 9 |
| Technology | 11 |