This paper introduces the laying principles and ways of having compensation no secondary fixed support mound preinsulated district heating pipes.

介绍了有补偿无次固定支座直埋热力管道的敷设原理与方法。

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To save on fuel consumption, the city began laying heating pipes to form an underground heating grid - so-called district heating.

为了减少燃料消耗，该市开始铺设供热管道，建起了一个地下供热网，即区域供热体系。

youdao

In icy Tomsk, the potential for heat loss is even worse: astonishingly, the pipes that carry warm water around the district heating network of Seversk and Tomsk are completely uninsulated.

ECONOMIST: The time-bombs of Tomsk