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| 合龙; 孔隙; 联络小巷; 联络巷道; 短通路 | |||
| 打通; 贯通巷道; 接合 | |||
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сбойка : 10 phrases in 4 subjects |
| General | 1 |
| Geology | 1 |
| Mining | 7 |
| Technology | 1 |
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