| |||
| 弹簧密封; 弹性密封 | |||
|
spring seal : 50 phrases in 10 subjects |
| Automobiles | 3 |
| Business | 1 |
| Chemistry | 2 |
| Drilling | 1 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Sealing | 26 |
| Technology | 13 |
| Water resources | 1 |
| |||
| 弹簧密封; 弹性密封 | |||
|
spring seal : 50 phrases in 10 subjects |
| Automobiles | 3 |
| Business | 1 |
| Chemistry | 2 |
| Drilling | 1 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Sealing | 26 |
| Technology | 13 |
| Water resources | 1 |