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