短語(yǔ)詞組短語(yǔ)valve e flap 閥瓣Valve Flap for Control Valve 控制閥用主閥瓣flap valve [機(jī)]瓣閥;拍門;蝶閥;鉸鏈閥flap valve grid 進(jìn)氣活門柵non return flap valve 止廻瓣閥mica flap valve [建]雲(yún)母片截門flap valve assembly 活門柵pneumatic film flap valve 氣動(dòng)薄膜瓣閥;氣動(dòng)薄膜蝶閥gastroesophageal flap valve 胃食琯閥瓣;証實(shí)胃食琯閥瓣 返回 valve flap