基本解釋閥瓣式止回閥；翻板止回閥英漢例句雙語(yǔ)例句Lift check valve with a spring load can withstand light valve flap , flap valve lift is not high.升降式止回閥使用一個(gè)可承受彈簧載荷的輕量閥瓣，閥瓣的升程不高。flap check valve更多例句詞組短語(yǔ)短語(yǔ)single -flap check valve 單舌止回閥flap check valve更多詞組專業(yè)釋義化學(xué)翻板止回閥經(jīng)濟(jì)學(xué)閥瓣式止回閥