With the proceeding of engineering graphics teaching reforming, some colleges built relative Web-based teaching systems one after another.
随着工程制图课程教学改革的不断深入，一些学校建立了相关的网络教学系统。
With the proceeding of engineering graphics teaching reforming, some colleges built relative Web-based teaching systems one after another.
随着工程制图课程教学改革的不断深入，一些学校建立了相关的网络教学系统。
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