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https://www.plm.automation.siemens.com/plmapp/education/solid-edge/en_us/free-software/free-2d-cad
您即将离开知乎,请注意您的账号和财产安全。
https://www.plm.automation.siemens.com/plmapp/education/solid-edge/en_us/free-software/free-2d-cad