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