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