1)DVCS Distributor Vacuum Control Switch,分电盘真空控制开关2)DTVS Distributor Thermal Vacuum Switch,分电盘温控真空开关3)DVAC Distributor Vacuum Advance Control Valve,分电盘真空提前控制阀4)vacuum control switch,真空控制开关5)vacuum control panel,真空控制盘6)ICVS Idle Control Solenoid Vacuum Switch,怠速控制电磁阀真空开关