!!!紧急求助,各位请帮帮忙
!!!紧急求助,各位请帮帮忙!!!急求关于机械方面“大件”“分段式结构”“结合面”的资料,我搜了好久没找到啊。。。谢谢各位大侠了 http://www.chmcc.cn/attachments/caiji/cry.gif http://www.chmcc.cn/attachments/caiji/cry.gif http://www.chmcc.cn/attachments/caiji/cry.gif http://www.chmcc.cn/attachments/caiji/cry.gif http://www.chmcc.cn/attachments/caiji/handshake.gif http://www.chmcc.cn/attachments/caiji/handshake.gifhttp://www.chmcc.cn/attachments/caiji/handshake.gif
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