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