 |
| |||
| 活塞环止动器 | |||
| ring stop: 19 phrases in 7 subjects |
| Automobiles | 6 |
| Compressors | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 3 |
| Mountaineering | 2 |
| Oil / petroleum | 2 |
| Technology | 4 |
|
| |||
| 活塞环止动器 | |||
| ring stop: 19 phrases in 7 subjects |
| Automobiles | 6 |
| Compressors | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 3 |
| Mountaineering | 2 |
| Oil / petroleum | 2 |
| Technology | 4 |