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