单项选择题
残疾人客房两个门窥镜的高度分别为()。
A.600mm,800mm
B.800mm,1000mm
C.1000mm,1500mm
D.1100mm,1500mm
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单项选择题
A.600mm,800mm
B.800mm,1000mm
C.1000mm,1500mm
D.1100mm,1500mm
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