double gap

火花间隙,spark... ... ) plug gap 火花塞火花间隙 ) double-gap 双火花间隙 ) spark plug gap 火花塞间隙 ...

double的用法_百度知道 ... double-frequency 倍频 double-gap 双火花间隙的 double-gate 双闸的, 双选通的, 双控制极 ...