abrasives
研磨材料研磨剂
热门单词
- absolute galvanometer
- accumulation method
- accumulative phase
- acetophenetidin
- acetylene black
- achrestic diabetes
- acid etching
- Acronol dye
- acutifoliate
- adamantine substance
- adductor muscle scar
- adhesive disc
- adhesive tape
- adiabatic cooling
- adjustable valve
- adjustable varying-speed motor
- adjusting screw
- adjusting wedge
- admission port
- adolescent education
- adolescent fire setter
