聚苯乙烯泡沫塑料应被用于保护绝缘。
帽子是用运送海鲜的白色聚苯乙烯泡沫塑料箱做成的，这种材料的绝缘性好，质地又轻。
These were made from the kind of white Styrofoam plastic boxes which are widely used to transport fresh seafood due to their insulating properties and light weight.
咱们常常把聚苯乙烯泡沫塑料用作绝缘资料和漂浮资料，也用于冰柜、冰箱、船舶和贮存容器。
We often put the polystyrene foam used as insulating materials and floating material, also used for refrigerators, freezers, shipping and storage container.
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