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