刀尖角 included angle: 包含角; 刀刃角; 夾角接觸角坡口角度; 開槽角度; 內角included angle; intersection angle: 夾角eingeschlossener winkel included angle: 夾角included angle of arch: (指中心角)拱的包角; 拱圈中心角included angle of crest: 堰頂包角下載手機詞典可隨時隨地查詞查翻譯