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| lubricating action | |||
| greasing effect | |||
| lubrication; smearing effect | |||
| lubricating effect | |||
| lubrication action; oiling action | |||
| 润滑作 用: 10 phrases in 4 subjects |
| General | 3 |
| Mechanic engineering | 1 |
| Space | 1 |
| Technology | 5 |
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