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