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| |||
| 活塞环气环 | |||
| 活塞式发动机活塞上的压缩涨圈 | |||
| 气环; 压缩环; 承压环圈 | |||
| 活塞压缩环 | |||
| 箍紧环 | |||
| 压力环 | |||
| 压缩环 | |||
| 活塞平环; 压环 | |||
| 压紧圈 | |||
| 受力环; 受压环 | |||
| compression ring: 38 phrases in 6 subjects |
| Automobiles | 18 |
| Bridge construction | 2 |
| Compressors | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Technology | 15 |
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