acetylene chemistry
乙炔化学
热门单词
- absentia
- absorptive hair
- accumulative estimation
- accumulator metal
- acenaphthylene
- acetylase
- achievement
- acid-proof gloves
- acrolein resin
- acronine
- acrylic
- acrylic baking varnish
- acrylic spun yarn
- act in violation of regulation
- activated fibre
- active button
- activity cycle
- activization platform block
- actual entity
- actual loss
- acyl group
