If the character code is 5,than the height is
A. 3.5mm
B. 7mm
C. 5mm
D. 10mm
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The symertry axis should be drawn by
A. Dashed line
B. Thin line
C. Zigzag line
Dashed dotted line
If a cylinder is cut by a plane oblique with the axis ,the shape of the intersection ine should be a
A. ellipse
B. circle
C. rectangle
D. triangle
The side edges of a cylinder is
A. parallel
B. intersect
C. on a plane
D. alignment
Which line is used to draw the imaginary line
A. Dould dashed dotted line
B. Dashed line
C. Thin line
Dashed line