Ignition plug with double spark 双极火花塞

plug ignition 火花塞点火

single spark-plug ignition 单火花塞点火

spark plug ignition 火花塞点火 ; 火花塞电点火

Coil-on-plug Ignition 笔式点火线圈

double spark plug ignition 双火星塞点火

Ignition coil and spark-plug 点火线圈和火花塞

glow-plug ignition 热线点火塞点火

dual plug ignition system 双火花塞点火系统