我国南方海港的水位变动区，当构件的箍筋为直径8mm时，主筋保护层的最小厚度为()。A:45mmB:50mmC:55mmD:60mm

作者: rantiku 人气: - 评论: 0

问题我国南方海港的水位变动区，当构件的箍筋为直径8mm时，主筋保护层的最小厚度为()。

选项 A:45mm B:50mm C:55mm D:60mm

答案 C

解析

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