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