flap check valve英[flæp tʃek vælv]美[flæp tʃɛk vælv]释义阀瓣式止回阀网络翻板止回阀; 瓣式止回阀数据合作方:金山词霸双语例句百度知道新1Lift check valve with a spring load can withstand light valve flap, flap valve lift is not high.起落式止回阀施用一个可承受弹簧荷重的轻量阀瓣,阀瓣的升程不高。