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装配式钢筋混凝土楼板或屋面板,当圈梁未设在板的同一标高时,板端伸进外墙的长度不应小于( ),进内墙的长度不应小于(),梁上不应小于配筋()。P294
A.100mm,80mm,80mm
B.120mm,100mm,80mm
C.150mm,120mm,100mm
D.150mm,150mm,100mm
参考答案:B
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