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