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