purging valve meaning in English

放气阀
泄压阀

A canister purge valve is opened periodically to vent the vapor back into induction system .
收集器的清除阀周期性地开启，泄放蒸气使之返回进气系统。
If using a split / splitless inlet , check that the purge valve is on
如果使用分流/不分流进样口，检查分流阀是否打开。
Cpv canister purge valve
碳罐净化阀
Loading tension force for supply and takingup unit , openning purge valve ( spray valve and gun valve ) and starting the cleaning buttom
加载供线及收线系统张紧力，打开清洗阀（喷洗阀及枪阀），启动清洗按键。
All relieve & purge valve shall be connected by a vent line leading away from the gas storage area . vent lines for combustible / oxidizing gases shall not be grouped together
所有减压阀都需要连接一条通出气体存藏区的排气管路。易燃、氧化气体排气管路不能并在一起。