真空提前 meaning in English

vacuum advance link
vacuum(-)controlled advance
vacuumadvance

The ignition-distributor vacuum-advance mechanism advances the spark during part-throttle operation .
分电器点火真空提前装置在节气门部分开启期间，使火花提前发出。
Dvac distributor vacuum advance control valve
分电盘真空提前控制阀
Dvas distributor vacuum advance solenoid
分电盘真空提前电磁阀
Vasc vacuum advance spark control
真空提前点火控制
Pva ported vacuum advance
节气门真空孔真空提前

More: Next