CAD无法保存到低版本，需要下载Object Enabler [课程编码1962]

修改字体大小 16px

10px 25px

Object Enabler下载链接：https://knowledge.autodesk.com/zh-hans/support/autocad?p=ACD&sort=score&page=1&s=Object%2520Enabler

                          

Open Light 2022 Object Enabler（64 位）

https://knowledge.autodesk.com/zh-hans/support/autocad/learn-explore/caas/downloads/downloads/CHS/content/open-light-2022-object-enabler-64-bit.html?v=2022&st=Object%20Enabler