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