BIG熊 wrote: 顶,这题得加几分啊,好像很难耶。。。
cboye wrote: 做了,感觉很难!思路很乱!
wangdashui wrote: 我帮您顶,可能ug更好做
孤独剑 wrote: 用什么UG呀,PRO/E半个小时随便折腾一下就出来了呀!