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