题目内容
(请给出正确答案)
[单选题]
How many types of parallel line are there relative to projection plane?
A.1
B.2
C.3
D.4
提问人:网友jy00566722
发布时间:2022-01-07
A.1
B.2
C.3
D.4
A、Each four years.
B、Every four years.
C、Every year.
D、four years
A、five/four
B、four/four
C、four/three
D、four/two
A、V
B、W
C、H
D、no projection accumulates as a point
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