 |
| |||
| 带回压阀的套管接箍 | |||
| 浮箍; 带循环阀的套管接箍 | |||
| Angielski tezaurus | |||
| |||
| float (fluent) | |||
|
float collar : 18 do fraz, 4 tematyki |
| Mechanika | 1 |
| Ropa / ropa naftowa | 9 |
| Technika i technologia | 1 |
| Wiercenie | 7 |
|
| |||
| 带回压阀的套管接箍 | |||
| 浮箍; 带循环阀的套管接箍 | |||
| Angielski tezaurus | |||
| |||
| float (fluent) | |||
|
float collar : 18 do fraz, 4 tematyki |
| Mechanika | 1 |
| Ropa / ropa naftowa | 9 |
| Technika i technologia | 1 |
| Wiercenie | 7 |