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