 |
| |||
| 井架大门 | |||
| V 形门 | |||
| English thesaurus | |||
| |||
| the opening in a derrick derrick window with the shape of an inverted V (that is located opposite the drawworks and above the pipe rack on a drilling rig. The V-door is used to pull drillpipe or casing from the pipe racks onto the drill floor.) | |||
|
V- door : 3 phrases in 1 subject |
| Drilling | 3 |
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