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