ACUabbr.加法控制部件(=Add Control Unit)ACabbr.(=alternating current)交流电abbr.(=actinium )元素锕abbr.(=air-conditioning )空气调节acryl ate丙烯酸酯acusectorn.电针；电割针acalycineadj.无花萼的Acunseven阿均塞文acromelic[医] 肢端的ac eraser交流抹音器, 交流消磁器, 交流抹迹头acriticaladj.(指疾病)不危急的；不危险的；无极期的aconitinen.乌头碱acarinium螨类群落ac welder交羚焊机