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毛主席纪念堂的主要出入口共安装着八樘闪耀着紫红色光彩的大铜门(图1),这是上海虹光建筑五金厂职工精心制做的。为了保护好这八樘大铜门,现场指挥部决定把大铜门的安装工作放到外檐装修的最后一步。大铜门上方是大钢窗,下面是大理石、花岗石地面,左右两侧是外墙饰面花岗石。在安装大铜门时,上下左右间隙仅有6～15毫米。中间最宽的一樘大铜门不包括花饰,
The main entrance of the Chairman Mao Memorial Hall was installed with eight large bronze doors shining with purple brilliance (Figure 1). This was made by the staff of Shanghai Hongguang Construction Hardware Factory. In order to protect this large copper door, the on-site command decided to put the installation of the large copper door in the final step of the renovation of the exterior. Above the large copper door is a large steel window, below is the marble, granite floor, and the left and right sides are exterior wall facing granite. When installing a large copper door, the clearance between the upper and lower sides is only 6-15 mm. The widest large copper door in the middle does not include floral ornaments.