idle needle valve 怠速针阀

idle adjustment needle 怠速调整针

idle limiter needle needle valve 空转针阀

idle limiter needle 怠速浓度调程限制器限制针

idle adjusting needle 怠速调整针

idle limiter needle rpm 空转时每分钟转数

idle limiter needle tube 空转量孔通道

idle limiter needle work 虚功

idle limiter needle time 不生产时间