... ball check valve 止回球阀, 调节阀维护检修规程, 球形节流阀 ball float valve 浮子阀, 浮球阀 ball non-return valve 球形止回阀 ...
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pilot operated ball float valve 液控浮球阀
Float ball valve 浮动式球阀 ; 球阀 ; 浮动式 ; 浮动球阀
Ball-float valve 浮球阀
Hydraulic ball float valve 液压浮球阀
float-ball self-closing valve 浮球式自动关闭阀
float ball self-closing valve 浮球式自闭阀
float ball selfclosing valve 浮球式自闭阀
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