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| 杯状滚针轴承用挡圈定位的面; 活塞环环外圆面 | |||
| ring face: 34 phrases in 6 subjects |
| Automobiles | 10 |
| Aviation | 2 |
| Chemistry | 2 |
| Compressors | 10 |
| Oil / petroleum | 1 |
| Technology | 9 |
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