基本解释[經濟學]揭頁英汉例句雙語例句On modern jets almost the entire leading and trailing edges are taken up by lift-increasing flaps and slats for takeoff and landing.在現在的噴氣機上,幾乎所有的前後緣都被用於起飛和降落的提高陞力的襟翼和縫翼所佔據。blog.sina.com.cnlift-up flaps更多例句专业释义經濟學揭頁