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