单项选择题
弯起角度为45°时，弯起钢筋净长=（）
A.L-2c+2×0.268H′
B.L-2c+2×0.414H′
C.L-2c+2×0.577H′
D.L-2c+2×0.115H′
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单项选择题
A.L-2c+2×0.268H′
B.L-2c+2×0.414H′
C.L-2c+2×0.577H′
D.L-2c+2×0.115H′
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