输送阀 meaning in English
delivery valve
transfer valve
Examples
- Delivery valve installation - part 1 : hose reel with semi - rigid hose
输送阀装置.第1部分:带半刚性管的水龙带卷绕轮 - Delivery valve installations connected with dry rising fire mains ; fire hose valve pn 16
与干式灭火上升总管道连接的输送阀装置. pn16救火软管