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