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