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  2. Íõ½¨¹ú. ÀäÁ´ÎïÁ÷±£Î²ÄÁϵÄÏÖ×´Óë·¢Õ¹[j]. ÖÆÀä¼¼Êõ, 2020, 40(3): 22-25.
  3. ÖйúËÜÁϼӹ¤¹¤ÒµÐ­»á. ¾Û°±õ¥±£Î²ÄÁÏÐÐÒµ·¢Õ¹±¨¸æ[r]. ±±¾©: ÖйúËÜЭ, 2022.

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  1. froix, m., & nelson, r. (1972). the use of polyurethane foam in refrigeration applications. journal of cellular plastics, 8(2), 110-115.
  2. oertel, g. (ed.). (2014). polyurethane handbook. carl hanser verlag gmbh co kg.
  3. astm d2859-16. standard test method for flammability of polymeric materials used in refrigerators and freezers[s].

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