彩钢瓦型号与图片，参见：http://wenku.baidu.com/link?url=-CxKg8pRIDaswxlPdXsNcAW-VnkcvyV8K7GpIPF__NjF0B0cKPLqhtYulF-32IknAmr1gyPqJ_Lp1uqDtg-TC0WXwgHdDK-KJNs44KoNpMa
