back roll,backing roll
相关英语词汇推荐
- hand sizing
- wire life
- palletizer
- anti-deflection
- Quantative analysis filter paper
- air stripping
- vertical flow press
- crack
- media
- hydrolysis catalyst
- elongation at rupture
- handshcet former
- zine liner
- specialty pulp
- acer
- ribbing
- collecting tank
- ployethylene coating
- vitrified bonding agent
- blue glass method reflectance factor