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