active alkali
活性碱
热门单词
- ablush
- absorbentl
- AC control magnet
- accelerator jar
- accuracy of data
- acer theiferum fang
- acetate rayon
- acetylene producer
- achylia
- acid ammonium sulfate
- acousto-optic filter
- acoustooptical interaction
- actinolite asbestos
- actinomycosis of tongue
- action time
- actively mode-locked short pulse ruby laser
- activity method of teaching
- actuating motor
- acute stress reaction
- adaptation level
- adaptive receiver