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| 提升用气体; 提升气体 | |||
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lift gas : 132 phrases in 15 subjects |
| Agriculture | 2 |
| Coal | 1 |
| Compressors | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Engineering geology | 4 |
| General | 3 |
| Mechanics | 3 |
| Metallurgy | 11 |
| Mining | 17 |
| Navigation | 1 |
| Oil / petroleum | 45 |
| Oil and gas | 1 |
| Space | 1 |
| Technology | 40 |
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