弹簧
谁有弹簧自动压缩的零件实例,请传一个 <P>这里有</P><P><A href="http://www.mjtd.com/bbs/dispbbs.asp?boardid=9&star=2&replyid=47878&id=25440&skin=0&page=30" target="_blank" >http://www.mjtd.com/bbs/dispbbs.asp?boardid=9&star=2&replyid=47878&id=25440&skin=0&page=30</A></P>
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