The insulation must be protected from moisture. 隔熱層必須防潮。
This paper discusses the property of heat insulation of composite heat shields made from ablative layer and heat insulation layer manufactured from heat insulation material. 本文對兩種隔熱層由不同絕熱材料製備的複合防熱構件材料的隔熱性能進行了研究。
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