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围岩
| 崩落采矿法
| 围岩 | |
| el. | окружающая порода |
| 崩落采矿法 | |
| mineral. | обрушение; система разработки с обрушением; система с обрушением |
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| окружающая порода | |||
| вмещающая порода; боковая порода | |||
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围岩 : 12 phrases in 4 subjects |
| Drilling | 1 |
| General | 7 |
| Geology | 3 |
| Oil / petroleum | 1 |
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