polystyrene insulation meaning in English

聚苯乙烯绝缘

To check the efficiency of the insulations , by varying the thickness , the width and the position of the insulations ( expandable polystyrene insulation layer ( eps ) ; polyurethane ( pu ) ) and the material of the roadbed surface in the calculation , the maximum thawed depths during the following 50 years on permafrost under the roadbed were simulated
为了检验保温材料的效果，计算时采用改变保温材料聚苯乙烯板( eps )和聚胺脂板( pu )的厚度、宽度、埋设位置及路基表面条件，来模拟路基面下多年冻土季节最大融化深度在今后50年内随时间的变化。