活门 meaning in English

[机械工程] valve; bib(b)

All that is required is a valve .
全部所需的就只是一个活门。
Dry pipe and deluge valves for fire - protection service
防火用干式管和喷洒活门
5963446 - 501 brake valve and bleed test set
5963446 - 501型刹车活门测试仪
Key lock power switch make hot - swappable
崭新活门及匙扣电源开关设计
Fittings and valves , check valves , gate valves , angle valves , etc
配件与活门、止回阀、闸门、角闸等

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