Read Edit View history 底阀 dǐfá foot valve Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 底阀/底閥 · dǐfá · foot valve 2026/03/04 底阀 / 底閥 dǐfá foot valve a check valve located at the bottom of a suction pipe to prevent backflow and maintain pump prime 安装底阀是为了防止泵停止运转时管道内的液体流回水源。 created sense Mar 4, 2026, 02:25 AM