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