短語(yǔ)詞組短語(yǔ)Ball -float valve 浮球閥;翻譯Hydraulic ball float valve 液壓浮球閥pilot operated ball float valve 液控浮球閥Float ball valve 浮動(dòng)式球閥;球閥;浮動(dòng)式;浮動(dòng)球閥float ball selfclosing valve 浮球式自閉閥float ball self -closing valve 浮球式自閉閥 返回 ball float valve