网站换服务器要备案吗?三种情况一次说清!网站迁移服务器是否需要备案?三种情况详析
Does a website need to file for record when changing servers? Three situations clarified at once! Is it necessary to file for record when migrating a website server? Detailed analysis of the three situations
以上为机器翻译结果，长、整句建议使用 人工翻译 。