collectors集合管collectorn.收集家；收税员；收取款项的人；收集器collector-coupled logic集电极耦合逻辑collector depletion layer集电极耗尽层collector-base junction集电极-基极结, 集电极基极结collector efficient factor集热器效率因子collector cutoff frequency[电] 集极截止频率Collector-free flotation无捕收剂浮选collector-base impedance集电极-基极阻抗collector backward current集电极反向电流collector base capacitance集电极基极电容collector distributor road集散道路