ambu E valve 安布E式呼气阀

angle e valve 角阀

sleeve e valve 套阀

slide e valve 滑阀

marine e valve 船用阀门

needle e valve 针阀 ; 针形阀

discharge e valve 排出阀 ; 排气阀

cylindrical E valve 筒形阀 ; 圆筒阀

application E valve 控制阀 ; 作用阀

cycle e valve 气门嘴