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| 气驱; 气压驱动 | |||
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| 气体驱动 | |||
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gas-drive zone : 64 phrases in 7 subjects |
| Aviation | 1 |
| Compressors | 1 |
| Electronics | 2 |
| Engineering geology | 1 |
| Mining | 4 |
| Oil / petroleum | 33 |
| Technology | 22 |
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