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| 飞机机油; 航空润滑剂 | |||
| 飞机润滑油; 航空油料 | |||
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| 航空润滑油 | |||
| aircraft oil: 9 phrases in 6 subjects |
| Aviation | 1 |
| Chemistry | 1 |
| General | 1 |
| Oil / petroleum | 3 |
| Oil processing plants | 1 |
| Technology | 2 |
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