Light - vehicle headlamp reflector is constituted of parabolas to 3 - D surface, which is a deep drawing workpiece.轻型车前照灯反光镜是由抛物曲线构成的 三维 曲面深拉深件.We continue the above three – phase parabola detection procedure until all t...

parabolas的音标：...

n.抛物线( parabola的名词复数 )...