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