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