Complex energy-saving wall is an important popularized new type energy-saving wall in China, which has been used in Northern China.
复合节能墙体是国家重点推广的新型节能墙体，在我国北方得到了一定的应用。
Complex energy-saving wall is an important popularized new type energy-saving wall in China, which has been used in Northern China.
复合节能墙体是国家重点推广的新型节能墙体，在我国北方得到了一定的应用。
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