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