• Polystyrene foamed plastic and polyurethane hard foam is the influence of the thermal insulation system of fire prevention safety factors of the functioning of the hub.

    聚苯乙烯泡沫塑料聚氨酯硬质泡沫影响保温体系防火安全机能枢纽因素

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  • Polyurethane Hard Foamed Plastic is an ideal kind of organic low temperature heat insulation material.

    聚氨酯一种理想有机质低温隔热材料

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  • Polyurethane Hard Foamed Plastic is an ideal kind of organic low temperature heat insulation material.

    聚氨酯一种理想有机质低温隔热材料

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