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