combination rig造句

例句与造句

1. Diamond rigs can also be part of a multi-combination rig.
2. DI has 88 oil and gas rigs, 26 of them combination rigs capable of both drilling and well workovers.
3. Multi-combination rigs are a dual setup rig capable of operating in either a reverse circulation ( RC ) and diamond drilling role ( though not at the same time ).
4. It's difficult to find combination rig in a sentence. 用combination rig造句挺难的