题目内容

There are () limitation elements on a sylinder

A. 2
B. 4
C. 3
D. non

查看答案

搜索结果不匹配？点我反馈

更多问题

The side edges of a pyramid

A. Intersect in a vertest
B. parallel
C. screw
D. alignment

When a cylinder is cut by a plane which parallel with the axis ,the shape of the intersection line should be a

A. rectangle
B. circle
C. triangle
D. ellipse

Zig-zag line is used to discribe

A. broken -out
B. symertry line
C. axis
D. invisible line

there are () specila position planes on a cone surface

A. 1
B. 2
C. 0
D. 3