单项选择题
通常要求室内走线架的高度为(),宽度为().
A.2200mm,300mm
B.2400mm,400mm
C.2600mm,400mm
D.2800mm,450mm
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单项选择题
A.2200mm,300mm
B.2400mm,400mm
C.2600mm,400mm
D.2800mm,450mm
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