acrylics
聚丙烯腈系纤维
热门单词
- a.a.r = against all risks
- acetate fibre paste
- acetoacetic ester
- acetone chloroform
- acetylbenzoyl peroxide
- achievement test
- acoustical fiberboard
- acquire
- acrylic machine knitting yarn
- acrylic-vinyl fibre
- actin
- actinic
- actinium
- AD converter
- addictive personality
- additive colour high-speed step optical printer
- adenoid
- adiabatic reaction
- adjective check list
- adjustable bench plane
- adjustable ID gauge
