可记得，我体弱病至，喘息间暮色苍凉！
据业内调查，个别城市的供水设施使用年限已接近甚至超过50年，跑冒滴漏现象普遍。因管老化或挖掘破坏而造成的爆管事故等也时有发生。在北京，老城区管漏损率达15%至20%。
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发布：2012-03-13 16:53:46