短語詞組短語float ball selfclosing valve 浮球式自閉閥ball float valve 浮子閥;浮球閥;繙譯Hydraulic ball float valve 液壓浮球閥pilot operated ball float valve 液控浮球閥Ball -float valve 浮球閥;繙譯float -ball self-closing valve 浮球式自動關(guān)閉閥float ball self -closing valve 浮球式自閉閥 返回 float ball valve