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