| |||
| 管式电梯升降机 | |||
| 套管吊卡 | |||
| 箱形升降机; 套管吊机; 管式升降机; 管式电梯; 套管提引器 | |||
|
casing elevator : 10 phrases in 3 subjects |
| Drilling | 1 |
| Oil / petroleum | 3 |
| Technology | 6 |
| |||
| 管式电梯升降机 | |||
| 套管吊卡 | |||
| 箱形升降机; 套管吊机; 管式升降机; 管式电梯; 套管提引器 | |||
|
casing elevator : 10 phrases in 3 subjects |
| Drilling | 1 |
| Oil / petroleum | 3 |
| Technology | 6 |