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[单选题]已知A点的三面投影a、a′、a″,其中a的答案
搜答案
已知A点的三面投影a、a′、a″,其中a反映A到()投影面的距离。
单选题
2022-01-01 03:28
A、H面和V面
B、H面和W面
C、V面和W面
D、所有面
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正确答案
C
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