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