短語詞組短語heat preservation and insulation layer 保溫隔熱層heat preservation and insulation materials 保溫隔熱材料heat preservation and insulation material 保溫隔熱材料heat preservation and thermal insulation 蓄熱保溫Heat preservation and heat insulation 保溫節(jié)能heat insulation and preservation 隔熱保溫 返回 heat preservation and insulation