怎样才能避免或延缓公路桥梁水泥混凝土中钢筋的腐蚀破坏，在水泥混凝土拌和物中掺加阻锈剂是一种施工简单、经济而又有效的方法。
How to avoid or delay the corrosion of reinforced concrete Bridges? Adding anti-corrosion admixture to cement concrete mixture is the simple and economical method.
根据当前路桥工程施工投标工作的实际，着重围绕提高路桥工程施工投标报价水平，探讨如何提高中标率和经济效益。
Abstract: Based on the actuality of current road & bridge project bid works, centered on improving bid quotation level of it, discusses how to raise bid winning rate and economic effect.
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