短語詞組短語China floating ball valve 浮球閥floating check valve 浮止閥Floating ball valve 球閥;浮球閥;浮動球閥;浮球閥系列floating position valve 浮動閥floating flat valve 浮子式平板閥Liquid level floating ball valve 液位浮球閥Water tank floating ball valve 水箱浮球閥Flange O -floating ball valve 法蘭式O型浮動球閥air -filled floating flap valve 充氣浮箱式拍門 返回 floating valve