backward elliptical vibrating forces
Balanced Elliptical Motion
composite elliptical plates
Dual-shafts elliptical vibratory screen
elliptical
椭圆
椭
高斯
椭球
椭圆形光纤
椭圆波极化
椭圆轨道
椭圆形导波管
椭圆形反射器
椭圆偏极化
椭圆齿轮
椭圆拂掠
椭圆的
省略的
椭圆形
椭圆柱
椭圆形的
elliptical boundary formation
elliptical clump particle
elliptical columnar orebody
Elliptical Concrete Filled Steel Tube
elliptical conical fold
Elliptical drawing body