 |
| |||
| valve disk; valve plate | |||
| valve disc | |||
| valve head; flutter valve; poppet assembly | |||
| valve face | |||
| valve flange | |||
|
Ventilteller : 6 短语, 2 学科 |
| 一般 | 1 |
| 技术 | 5 |
|
| |||
| valve disk; valve plate | |||
| valve disc | |||
| valve head; flutter valve; poppet assembly | |||
| valve face | |||
| valve flange | |||
|
Ventilteller : 6 短语, 2 学科 |
| 一般 | 1 |
| 技术 | 5 |