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| 活塞速率 | |||
| 活塞速度 | |||
| 活塞运动速度 | |||
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piston speed : 14 phrases in 8 subjects |
| Automobiles | 2 |
| Compressors | 3 |
| Mechanics | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Plastics | 2 |
| Rail transport | 1 |
| Technology | 3 |
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