 |
| |||
| 活塞杆盘根 | |||
| 抽油杆密封 | |||
| 拉杆填料; 推杆密封环 | |||
|
rod packing : 9 phrases in 4 subjects |
| Compressors | 3 |
| Drilling | 2 |
| Oil / petroleum | 3 |
| Technology | 1 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips