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