elliptic catenary椭圆: oval; oval-shaped; ellipse; ...悬: hang; suspend链: chain线: thread; string; wire悬链线: catenarian; catenary curve; catenary inspection vehicle; catenary wire; chainette; funicular curve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:椭圆悬链线，即可在微信中查询翻译
