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| 长壁工作面 | |||
| 长壁工作面长度一般在50m以上的采煤工作面 | |||
| 长壁工作面 (采矿) | |||
| longwall face: 6 phrases in 4 subjects |
| Earth sciences | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Mining | 1 |
| Technology | 3 |
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