acetylene converter
乙炔转化器
热门单词
- AC electric welding machine
- accelerated ageing
- access opening
- acephate
- achrodextrin
- acid-proof rubber boots
- acidomycin
- acorn nut kernel
- acrylic filament
- acrylic single jersey
- acrylonitrile-itaconic acid ester copolymer fibre
- activated molecule
- active electrode
- active nitrogen
- acupuncture anesthesia
- acute exposure
- adansonia fibre
- adaptive histogram adjustment
- adaptive training
- addison's disease
- adhesive sealing