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| породный штрек | |||
| выработка по породе; штрек по породе | |||
| полевая выработка | |||
| полевой штрек | |||
| 岩巷: 10 phrases in 5 subjects |
| General | 1 |
| Geology | 1 |
| Mining | 2 |
| Oil processing plants | 1 |
| Technology | 5 |
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