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