先张法施工预制梁板过程中,张拉预应力钢筋时,同一构件断丝(钢筋不允许断
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A.1%
A.1%
B.2%
B.2%
C.3%
C.3%
D.5%
D.5%
参考答案:
A.1%
A.1%
B.2%
B.2%
C.3%
C.3%
D.5%
D.5%
参考答案: