安装视频教程：
https://v.qq.com/x/page/j0892ty35l3.html
软件下载地址：
CAD 2020 version installation package download
https://pan.baidu.com/s/13Nd4HEIJtUO9SnBxH_FZ9Q
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CAD 2019 version installation package download
https://pan.baidu.com/s/1SsvngxonAB-ubpbkGuZeIQ
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CAD 2018 version installation package download
https://pan.baidu.com/s/14ftvhBVe9wLTIoPidDAK1A
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CAD 2017 version installation package download
https://pan.baidu.com/s/1N5l0jvQg2ErlI1OJIguS_w
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CAD 2016 version installation package download
https://pan.baidu.com/s/1XX5G70fuOuaxfmiCbLmfBA
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CAD 2015 version installation package download
https://pan.baidu.com/s/1QrDzGAr4oLK06kAf80P20A
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CAD 2014 version installation package download
https://pan.baidu.com/s/1pWuDzZdnaPO1hu2wsS3TRQ
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CAD 2013 version installation package download
https://pan.baidu.com/s/1cSAcfkWHQO4fK_B7uCiLiA
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CAD 2012 version installation package download
https://pan.baidu.com/s/1KiFwqTwPJzzLOwxq0SgaKg
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CAD 2011 version installation package download
https://pan.baidu.com/s/1UC7MMGVsPQxnFWUsmdgUAw
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CAD 2010 version installation package download
https://pan.baidu.com/s/1HE38_tmz48LqyueD30bsMQ
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CAD 2009 version installation package download
https://pan.baidu.com/s/1C0nxCqFaInykC4nU3-aUlQ
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CAD 2008 version installation package download
https://pan.baidu.com/s/1b9Bz3z9zvJv7wWHZD6aZpA
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CAD 2007 version installation package download
https://pan.baidu.com/s/1ZAUS3g1vMEqIkYieQz1l-w
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CAD 2006 version installation package download
https://pan.baidu.com/s/1r1teclQ9tmR1Wz_aV6MWPA
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CAD 2005 version installation package download
https://pan.baidu.com/s/109gEoS7SvbhyjPWolUexDw
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CAD 2004 version installation package download
https://pan.baidu.com/s/1EmBdkOCLeyjtDcmb9Eu7kQ
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