acetylene gas
乙炔气
热门单词
- acceptor impurity
- acid chrome red
- acidproof clothing
- active soil formers
- activity rhythm
- actuarial prediction
- acute lung edema
- additive-containing nylon
- adherometer
- adiabatic perturbation
- adiabator
- adjustable vaulting horse
- adjusting key
- adjuvant drug
- adrenosterone
- advanced generation
- advancing color
- adventitious reinforcement
- aeronautical radio
- aeropiesotherapy
- aerosoloscope
