一、中国屋面材料的沿革过程中国流行时间最长的墙体和屋面材料,用一句话概括,叫做“秦砖汉瓦”。随着中国水泥工业的发展和石棉产量的增加,石棉水泥瓦的生产应用逐渐兴盛起来,甚至在八十年代末、九十年代初,还出现了供不应求的局面。中国经过20年的改革开放,人们在审美情趣和 I. The History of China’s Roofing Materials The longest-running wall and roofing materials in China are summarized in one sentence and are called “Qin Hanwa.” With the development of China’s cement industry and the increase of asbestos production, the production and application of asbestos cement tiles have gradually flourished. Even in the late 1980s and early 1990s, there was a situation where supply was in short supply. After 20 years of reform and opening up in China, people are in the interest of aesthetics and