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回采矿柱
| 挖穴称重法
| 回采矿柱 | |
| mining. | выемка столбов; выемка целиков; извлечение столбов |
| 挖穴称重法 | |
| mining. | выемка целиков |
| |||
| выемка столбов; выемка целиков; извлечение столбов | |||
| извлечение целиков | |||
| 回采矿柱: 9 phrases in 3 subjects |
| General | 2 |
| Mining | 5 |
| Technology | 2 |
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