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