问题
单项选择题
施工手孔的规格（宽*长*高）为（）。
A.850mm*1300mm*1500mm
B.800mm*1200mm*1500mm
C.1100mm*7300mm*1200mm
D.800mm*1200mm*1300mm
答案
参考答案：B
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施工手孔的规格（宽*长*高）为（）。
A.850mm*1300mm*1500mm
B.800mm*1200mm*1500mm
C.1100mm*7300mm*1200mm
D.800mm*1200mm*1300mm
参考答案：B