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