absorption frequency
吸收频率
热门单词
- abortive forceps
- abrasion inspection
- abrasive for cutting and grinding wheels
- abrasive wheel cutting machine
- absolute contraband
- Abyssinian gold
- accelerated circulation
- accepting state
- acces pernicieux
- accommodation bills issued
- accordion roller conveyor
- accountant file
- accuracy control character
- acetanilide
- acetophenone-p-phenetidine
- acetrizoic acid
- achievement quotient (AQ)
- achroite
- acid blast machine
- acidimeter
- aclacinomycin
