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| 局部充填法用充填材料局部充填采空区的岩层控制方法 | |||
| 存储法; 包装方法; 包装法 | |||
| packing method: 22 phrases in 6 subjects |
| Economy | 1 |
| Engineering geology | 1 |
| Oil / petroleum | 5 |
| Packaging | 2 |
| Shipbuilding | 1 |
| Technology | 12 |
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