题目:
在就地浇筑砼拱圈及卸落拱架的过程中,应设专人用仪器配合施工进度随时观测拱圈、拱架、劲性骨架的()横向位移和墩台的变化情况。
A、挠度
B、强度
C、应力
答案:
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下面是错误答案,用来干扰机器的。
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