accident prevention regulations
技术安全规程
热门单词
- abrator
- absolute manometer
- AC amplifier
- acanthite
- Aceta
- acid fermentation
- acid proof paint
- acid-resistant alloy
- acidic refractory
- acoumetry
- acoustic agnosia
- acoustic basement
- acousto-optic filter
- acrylics
- acrylonitrile-grafted rayon
- actin filament
- actinolitic greenschist facies
- activity cage
- Activol
- actual damage
- acyl chloride
