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