椭圆盘绕ellipticcongruence: 椭性线汇ellipticblade section: 椭圆叶片截面椭圆桨叶截面elliptici: 椭圆茎环类ellipticalspring: 椭圆形弹簧 双弓板弹簧elliptici orbit: 椭圆轨道下载手机词典可随时随地查词查翻译
