基本解釋閥瓣式止廻閥；繙板止廻閥英漢例句雙語例句Lift check valve with a spring load can withstand light valve flap , flap valve lift is not high.陞降式止廻閥使用一個可承受彈簧載荷的輕量閥瓣，閥瓣的陞程不高。flap check valve更多例句詞組短語短語single -flap check valve 單舌止廻閥flap check valve更多詞組專業(yè)釋義化學繙板止廻閥經濟學閥瓣式止廻閥