近些年来，由于我国经济发展较快，在城市基础设施方面投资不足，使之处于相对滞后的状态。从目前国家的财力看，在短期内投入大量资金解决基础设施欠帐问题是比较困难的。因此，国家把基础设施建设作为利用外资的重要产业之一。城市基础设施建设的特点是，初始投资额较大，而 In recent years, due to the rapid economic development in our country, the lack of investment in urban infrastructure has put it in a relatively backward state. Judging from the current state’s financial resources, it is quite difficult to devote large amounts of funds to solving the problem of infrastructure debts in the short term. Therefore, the state regards infrastructure construction as one of the important industries that utilize foreign capital. The characteristic of urban infrastructure construction is that the initial investment is large,