按照目前通用的办法,存放胶片的库房温度为二十摄氏度时,胶片只能保存五至六年。苏联发明一种新方法:把电影胶片放到由四层金属薄片制成的专用盒予里,再用聚乙烯等材料把胶片盒子包严。这样,既使在二十摄氏度的温度里,胶片可以保存五百年。胶片可长久保存@石湘秋请下载后查看，本文暂不支持在线获取查看简介。 According to the current common method, the storage of film warehouse temperature of twenty degrees Celsius, the film can only be stored for five to six years. The Soviet Union invented a new method: the film into the film made of four layers of metal sheet to the box, and then use polyethylene and other materials to the film box package Yan. Thus, even at temperatures of twenty degrees Celsius, the film can be preserved for five hundred years. Film can be stored for a long time @ Shi Xiangqiu Please download to view, this article does not support online access View profile.