adj.平頂?shù)?flat-topped: 平頂?shù)?/li>flat topped beam: 平頂射束flat topped cam: 平頂凸輪flat topped curve: 平頂曲線flat topped fold: 箱狀褶皺下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯