| |||
| 减压弹簧 | |||
| 减释压弹簧 | |||
| 保险弹簧 | |||
|
relief spring : 15 phrases in 7 subjects |
| Chemistry | 2 |
| Drilling | 1 |
| Electronics | 1 |
| Oil / petroleum | 1 |
| Refrigeration | 2 |
| Space | 1 |
| Technology | 7 |
| |||
| 减压弹簧 | |||
| 减释压弹簧 | |||
| 保险弹簧 | |||
|
relief spring : 15 phrases in 7 subjects |
| Chemistry | 2 |
| Drilling | 1 |
| Electronics | 1 |
| Oil / petroleum | 1 |
| Refrigeration | 2 |
| Space | 1 |
| Technology | 7 |