1)VCMV Vacuum Control Modulator Valve,真空控制电磁阀,真空控制调节阀2)VCM Vacuum Control Moudulator (nozzle),真空控制电磁阀3)VCV Vacuum Control Valve,真空控制阀4)CCVA Cruise-Control-Vacuum-Solenoid,定速控制真空电磁阀5)DVCV Differential Vacuum Control Valve,差压真空控制阀6)VCKV Vacuum Control Check Valve,真空控制止回阀
