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