“圆锥”用英语怎么说？

“圆锥”的拼音为：yuán zhuī...

在冷凝器接近标准圆锥接头处打四个穴孔.Make four indentations into the condenser near the standard cone joint.上述装置也称为圆锥摆.The present device is also called a conical pendulum.设有一组平行线与圆锥曲线相交.Consider a family of parallel lines that cut the co...