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