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