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本文通过直埋管道的特性及其绝热结构的论述,指出了聚氨酯直埋保温管的主要性能,最后指出了直埋管绝热结构形成及应范围以及施工安装注意要点。
In this paper, the characteristics of direct buried pipe and its insulation structure are discussed. The main properties of the buried pipe are pointed out. At last, the formation and the corresponding range of the heat insulating structure of the buried pipe are pointed out.