此阀用于长管路的末端，使储气筒的压缩空气快速充满制动气室，从而了缩短制动反应时间和气压建立时间。

此阀用于长管路的末端，使储气筒的压缩空气快速充满制动气室，从而了缩短制动反应时间和气压建立时间。的英文翻译

基本释义

• This valve is used at the end of long pipes to make the brake chamber full of compressed air in the air cylinder quickly and lessen the braking responding time and air pressure setting up time.