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