????λ??>?˲???Ƹ>???س?ϳ??
???س?ϳ??

???س?ϳ??   1??

??ְҪ??
1???У?25-40?꣬??ר????ר????ѧ?????ܳԿ????͡?

2???????????????ؼӹ????ġ????س?ϳ???ϼӹ????ġ?

3??????????Autocad??????????һ?????ؼӹ????????ܿ?????еͼֽ???Ի?е??????ļӹ???????һ????ʶ??

4???˽????ά???????????֪ʶ???ܹ??ϸ????ع?˾?豸??????ع????ƶ?

5???Ŷ???ʶǿ???ܷ????ϼ????ź???????????Ź?????

????????QQ?ռ?????΢????Ѷ΢????????΢??