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1·At present, China's construction industry, roof insulation, turn on the beam used in filling or expanded perlite, etc., ceramic, aerated concrete block, cinder and so on.

目前，在我国建筑行业，屋面的保温层、上翻梁填充等采用的还是膨胀珍珠岩、陶粒、加气混凝土砌块、炉渣等。