... electronic switching 电子交换设备；电子开关作用 electronic switching tube 电子开关管 electrooptical switch 电光开关 ...
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开关电子管 [电子] nomotron ; switch tube
电子注开关管 [电子] beam-switching tube ; counter tube
电磁控制电子束开关管 magnetron beam-switchellong tube
磁控电子束开关管 magnetron beam-switching tube
若某一电磁脉冲阀常吸，应检查对应的电子开关管是否漏电、击穿。
If a electromagnetic pulse valve is always magnetized, it must be checked if the corresponding electronic switch tube is in electric leakage or broken-down.
计算机科学家哈里·波特(Harry Porter)博士用继电器制作了一台八位机。继电器是一种电子开关，是比Magic - 1用的晶体管更加简单的元器件。
Computer scientist Dr Harry Porter built his 8-bit machine from relays - electronic switches that are even simpler than the transistors used in Magic-1.
电子控制单元。包括由转速传感器控制的开关晶体管，用来断开或接通初级电路。
Electronic control unit. Contains a switching transistor controlled by a speed sensor and is used to open and close the primary circuit.
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