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