collectors集合管
collectorn.收集家;收税员;收取款项的人;收集器
collector breakdown voltage集电极穿电压
collector-modulation tube集电极调制管
collector cut-off current集电极截止电流
collector head spring system弓头弹簧
collector-catching network集电-捕捉网络
collector lens focusing knob聚光透镜调焦旋钮
collector modulation circuit集电极调制电路
collector of copper sulfides铜捕收剂
collector saturation voltage集电极饱和电压
collector saturation current集电极饱和电流