| |||
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 | |||
压紧环 | |||
受力环; 受压环 |
compression ring : 41 phrases in 7 subjects |
Automobiles | 18 |
Bridge construction | 2 |
Compressors | 1 |
Hydroelectric power stations | 1 |
Metallurgy | 1 |
Sealing | 3 |
Technology | 15 |