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