... foot valve cage 顶阀罩 foot valve seat 底阀座 fore line valve 后级管讲阀 ...
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短语
底阀座垫片
packing for foot valve
阀底座
Stem
;
valve base
阀底座、法兰
Stem
阀簧底座销
valve spring retainer key
;
valve spring cap lock
底座阀
Bottom Seat Valve
可更换的阀底座
Renewable seat ring
安全阀底座
[机]
safety valve base
;
safety valve base
电磁阀底座
Electromagnetic valve base
上下电磁阀底座
VALVE BASE