基础设施费用：包括道路、各类地下管路。
Cost of basic utility is expended on facilities such as roads, water pipes etc.
系统分析了油库地下管路腐蚀的原因，总结出了管路腐蚀的主要类型，并对防腐工程实施中的一些具体问题进行了探讨。
Reasons for pipeline corrosions are analyzed systematically and main types are summarized in the paper. Some problems occurred in the process of corrosion protection project are discussed.
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