double radius oval双: two; twin; both; dual半径: radius椭圆: oval; oval-shaped; ellipse; ...单半径椭圆: single radius oval; single reduced plate三半径椭圆: three radius oval下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:双半径椭圆,即可在微信中查询翻译