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