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| проскальзывание газа; прорыв газа | |||
| прорыв газов | |||
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窜 气 : 6 phrases in 5 subjects |
| Drilling | 1 |
| General | 1 |
| Oil / petroleum | 2 |
| Oil processing plants | 1 |
| Sakhalin | 1 |
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