active hydrogen
活性氢
热门单词
- 16 bit microcomputer
- abridged mashing system
- absolute ego
- acetimeter
- acid-resistant coating
- acidum boricum
- acrylic machine knitting yarn
- acrylic weather coat
- actinic rays
- action feedback
- active carbon chrome-bearing waste water processing machine
- adaptive evolution
- adaptive peak
- adding and subtracting machine
- adenohypophysis
- adenylate cyclase
- adhesiveness
- adiposis hepatica
- adjustable gauge
- adjustable spanner
- adjusting tool
