The crack of cement concrete pavement is one of common-seen hazards. It has greatly shortened the effective life-span of the expressway and brought the hidden danger to traffic safety.
泥混凝土路面裂缝是高等级公路路面易出现的一种破坏现象。它极大地缩短了高速公路的有效寿命。并给行车安全造成了隐患。
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