Today, copper is still used in Baelz heat exchangers, such as in the district heating network in Paris.
今天，铜仍然是用于Baelz热交换器，如在区供热管网在巴黎举行。
Heating is expected to be composed of 35 percent solar and 55 percent from heat pump with the rest coming directly from the district heating network.
房间的热量理论上由35%的太阳能，55%的热能泵，剩下的直接来自于区域热能的运作系统。
Based on analysing Soviet Union's district heating network regulations issued in 1988, the technical measures to increase the reliability of district heating network are presented in this paper.
本文对1988年苏联颁布的热力网规范进行剖析，综合阐述提高热网可靠性的技术措施。
Based on analysing Soviet Union's district heating network regulations issued in 1988, the technical measures to increase the reliability of district heating network are presented in this paper.
本文对1988年苏联颁布的热力网规范进行剖析，综合阐述提高热网可靠性的技术措施。
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