题目内容
(请给出正确答案)
[主观题]
根据图示已知条件,选择正确的9-9断面图。() according to the figure., pick up the correct cross section of 9-9. ()
根据图示已知条件,选择正确的9-9断面图。() According to the figure., pick up the correct cross section of 9-9. ()
A、A
B、B
C、C
D、D
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发布时间:2022-01-07