bbs.motor01.com
http://www.machcn.com/forums/index.phphttp://www.eecce.com/bbs/index.asphttp://club.china.alibaba.com/club/post/page/98.htmlhttp://info.china.alibaba.com/news/subject/v5-s5007200.html都是很大的机械类论坛.不知道对你有没有帮助!