短語詞組短語cowl flap control valve 整流罩通風控制閥flap -valve pump 瓣閥泵flap check valve 閥瓣式止回閥;翻板止回閥;瓣式止回閥;旋啟式止回閥wing flap relief valve 翼瓣安全閥;詳細翻譯Flap -valve 拍門Double Flap Gate Valve 雙層翻版閥TAILING EDGE FLAP BYPASS VALVE 后緣襟翼旁通活門mucosal flap safety valve technique 黏膜安全瓣技術single -flap check valve 單舌止回閥 返回 flap valve