椭圆锥面
ellipse cone
elliptical conical surface
elliptic cone
dlliptic cone
圆锥面玻璃幕墙
conical surface glass gladding
圆锥面光学系统
Conoid surface optical system
圆锥面过盈联接结构
interference taper fit construction
圆锥面截交线
intersection line of circular cones
圆锥面无键联接
tapered axis keyless connection
带角圆的锥面铣刀
conical milling cutter with an angular circle
磨圆锥齿轮孔和端面用的卡盘
chuck for grinding hole and end face of bevel gear