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