The thesis discusses the merit of sewage heat energy collection deliver heat transfer method.

论文论述了污水热能采集套管输送换热法的优点。

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The planning principles of the sewage collection system and the characteristics of sewer network layout are also introduced.

阐述了污水收集系统的规划原则和本区管网布置特点。

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City's main sewage pipe network for the collection and distribution of life in the urban areas of sewage and wastewater, sewage accounted for a large proportion.

城市污水管网的主要用于收集和输送城市区域中的生活污水和生产废水，其中生活污水占较大比例。

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With municipalities and issuers of infrastructure bonds including schools districts, hospitals and sewage and garbage collection authorities facing diminished tax and revenue receipts and inevitable downgrades, the risks they pose to guarantors could shut them out from low interest rate borrowings.

FORBES: Muni Bond Default Concerns Are Real