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