题目内容
(请给出正确答案)
[主观题]
当采用冷拉方法调直钢筋时,HPB235级钢筋的冷拉率不宜大于(),HRB335级、HRB400级和RRB400级钢筋
的冷拉率不宜大于()。
A.3% 1%
B.4% 1%
C.5% 2%
D.2% 1%
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A.3% 1%
B.4% 1%
C.5% 2%
D.2% 1%
A.3%.
B.4%.
C.5%.
D.6%.
A.1%
B.3%
C.4%
D.2%
A.0.01
B.0.02
C.0.03
D.0.04
A.1%
B.2%
C.3%
D.5%