单项选择题
通常所说的活动房K、P分别是多少?()
A.1850mm,900mm
B.1820mm,950mm
C.1830mm,900mm
D.2000mm,1000mm
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单项选择题
A.1850mm,900mm
B.1820mm,950mm
C.1830mm,900mm
D.2000mm,1000mm
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