判断题
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已知,箍筋直径6mm,混凝土保护层厚度25mm,135°/135°弯钩增长值为80mm)计算箍筋的下料长度。 外包尺寸=(),下料长度=()
A.1548mm,1648mm B.1648mm,1772mm C.1748mm,1772mm D.1800mm,1648mm
A.60m,1247 B.66m,1610 C.74m,1471 D.94m,1164
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