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| thin film lubrication | |||
| film lubrication | |||
| fluid film lubrication | |||
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| film lubrication | |||
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油膜 润 滑 : 31 phrases in 11 subjects |
| Agriculture | 1 |
| Automobiles | 3 |
| Compressors | 1 |
| Drilling | 1 |
| Electric machinery | 3 |
| Metallurgy | 4 |
| Oil / petroleum | 3 |
| Rail transport | 1 |
| Shipbuilding | 2 |
| Space | 3 |
| Technology | 9 |
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