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