acoustic spectroscope
声谱仪
热门单词
- accidental fluctuation
- acetal
- Achillean
- acoustic apparatus
- acoustochemistry
- Acramin pigment colours
- actinometer paper
- active anti-rhinitis nasal drop
- active element group
- active solvent
- acute toxicity experience
- adaptometer
- additive mixing
- adipose fin
- adjustable bolt
- adjustable hand reamer
- admission pressure
- aeropointer = air attack boss
- AGA = American Gas Association
- aging test
- agricolite