轴承的安装伤痕和变色
<P align=center>安装伤痕 </P><P align=center><IMG src="http://www.chmcw.com/upload/news/RCL/13220_fmq3k620041241612711157.gif" border=0></P><P align=center>变色 </P><P align=center><IMG src="http://www.chmcw.com/upload/news/RCL/13220_cu434j2004124162726523.gif" border=0></P>
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