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