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