It is applied in heat and cold insulation of piping for petroleum, chemicals, industrial heat supply, thermal electricity and civil heat supply.
应用于石油、化工、工业供热、热电及民用供热等管路的保温、保冷。
The various forms have a multitude of USES as coatings, packing films, molded parts, insulation, piping, etc.
不同形式的聚乙烯有许多用途，例如涂料、包装膜、模塑件、绝缘材料、管道等。
Based on design experience and results of investigation, discusses some questions about heating modes for residential quarters, piping installation and insulation and pipe network lay out.
结合工程设计经验和实地调研，探讨了住宅小区供暖供热中的系统形式、管道安装、保温、外网敷设、热电联产与集中锅炉房供热经济比较等问题。
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