基本解釋后掠同根派生 backsweep相關(guān)詞英漢例句Backsweep can improve the efficiency at the expense of surge margin.后掠會(huì)增加效率，但是會(huì)降低喘振裕度，而前掠有相反的趨勢(shì)。backsweep更多例句