论文部分内容阅读
天安门城台须弥座是用汉白玉石筑成。长期以来,由于受雨水冲刷城墙红土等粉刷而污染,已失去它应有的壮观。这次修缮天安门,城墙粉刷采用的化学色浆,在防水性及保久性方面已有改善。修缮要求同时清理
The Xuanzu of Tiananmen City Terrace is made of white marble. For a long time, due to rain and erosion caused by the redwashing of red walls and other walls, it has lost its spectacular appearance. The chemical colorants used in the restoration of Tiananmen Square and wall paintings have improved in terms of waterproofness and durability. Repairs require cleaning at the same time