The problem of municipal sewage disposal is complicated by the fact that, years ago, most cities combined their storm and waste disposal sewers.

城市排水问题复杂化了，依据事实是几年前城市合并了他们的暴雨和污水处理系统。

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The utility model is a water grating board which is convenient to drain. The utility belongs to water grating used in municipal works and sewers of streets and dwelling communities.

一种方便排水的水箅盖，属于市政工程、道路、生活小区内等下水管道上 使用的水箅盖。

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He has pushed much of the state's capital investment down to municipal level, boosting the funds available for some towns' schools and sewers fourfold.

ECONOMIST: Mexico