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| 天然气苗; 天然气显示; 燃气出口; 燃气发生量; 煤气产率 | |||
| 天然气产率; 天然气流出 | |||
| 出气口 | |||
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| 气体逸出 | |||
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выход газа : 3 phrases in 2 subjects |
| Astronautics | 1 |
| Technology | 2 |
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