casing coupling
相关英语词汇推荐
- bolt installing equipments
- Residual expansion rate
- hand held drifter
- single stage separation
- elastoplastic rock
- tilting cup feeder
- burning time
- alidade
- lump formation
- crusher head
- Intermediate product
- cement injection
- full load running
- worm gear drive
- fast extraction
- drop crushing
- through
- tunneling equipment
- internal impedance
- workings