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