持续: last; continue; sustain接通电路: processing circuit接通电路: make contact; place in circuit; processing circuit; to connect a circuit; to engage a circuit已接通电路: established connection接通电路闭合电路: make印刷电路板插接通电检查: pcb plug-in check接通电话: put through; setting up a call接通电话,通过: get through接通电流: to turn on the current接通电门: engage switch接通电平: turn on level接通电压: turn on voltage接通电源: continuity; power on; to establish power接通电子管: on-tube为……接通电话: put through直接通电: direct passage of current连续接通计数器: continuous counter通电持续率: on-load factor到达；完成；接通电话: get through峰值接通电流: peak making-current峰值接通电压: peak on voltage焊接通电时间: weld time接通电流脉冲: make impulse结束，完成；接通电话: get through通道接通电门: channel switch
