| |||
| 浮箍; 带循环阀的套管接箍 | |||
| 带回压阀的套管接箍 | |||
| English thesaurus | |||
| |||
| float (fluent) | |||
|
float collar : 18 phrases in 4 subjects |
| Drilling | 7 |
| Mechanics | 1 |
| Oil / petroleum | 9 |
| Technology | 1 |
| |||
| 浮箍; 带循环阀的套管接箍 | |||
| 带回压阀的套管接箍 | |||
| English thesaurus | |||
| |||
| float (fluent) | |||
|
float collar : 18 phrases in 4 subjects |
| Drilling | 7 |
| Mechanics | 1 |
| Oil / petroleum | 9 |
| Technology | 1 |