小图或概念图都是工程师自己画了，精密图和组装图还是要专门的人画。

来源: Rockeymountain 于 2025-02-15 15:29:13 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.