皮皮学，免费搜题
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搜题
【单选题】
钢筋混凝土构件，影响钢筋和混凝土黏结力大小的主要因素有（）。A.
混凝土强度越高，黏结力越小；
B.
钢筋表面积越大，黏结力越小；
C.
钢筋表面越粗糙，黏结力越大；
D.
钢筋根数越多，黏结力越小。
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