安全火花 safe spark
安全火花电路 spark circuits of safety
安全火花设备 intrinsically safe apparatus
安全火花型仪器 spark-proof instrument
安全间隙 safety frame; safe clearance; safety clearance; security clearance; safety margin; safe gap; safety gap
临界安全间隙 critical safety gap
最大试验安全间隙 maximum experimental safe gap
最小安全间隙距离 minimum safety distance
电火花间隙激发器 spark gap exciter
多间隙火花开关 multi-channel gas switch
辅助火花间隙 auxiliary spark-gap
固定间隙火花放电调制器 fixed spark-gap modulator
火花间隙 arcing distance; spark gap; sparking distance; light gap
火花间隙传导 spark-gap transmission
火花间隙激发器 spark-gap exciter
火花间隙接通 gap bridging
火花塞火花间隙 plug gap
沿面间隙火花塞 surface gap spark plug
安安安培 ampere