District heating. hot or cold water transport and distribution networks. particularities of design.
地区供热。热水或冷水输送和分配网路。设计的特殊性。
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The design and the application of the type of solor energy hotwater system on roof of low buildings were elaborated, and the design and the application of floor radiation heating were also described.
This paper gives a general introduction of the design and construction process of low temperature hot-water floor heating system, including some problems concerned in constructing.