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