浮动式球阀float: vi. 1.漂浮,浮起 (opp. sink); 飘流, ...ball valve: (浮)球阀,球闸门,漂子门。 ball float valve: 浮球阀; 浮子阀; 浮子式阀float ball self closing valve: 浮球式自闭阀float ball self-closing valve: 浮球式自闭阀下载手机词典可随时随地查词查翻译