物理作用包括隔热、隔氧、降低燃烧反应温度等。
The physical functions include separating heat, cutting off oxygen and decreasing burning reaction temperature.
文中论述了它的特点，以及隔氧层材料选用及加工。
It describes the characteristics of the new cable and the selection and process of the oxygen barrier.
本文从阻燃机理出发，介绍了一种新型的挤出型隔氧层结构的电缆。
This paper presents a new type of extruded flame retardant cable with oxygen barrier from the principle of flame retardancy.
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