灰铸铁的石墨长度分级
<TABLE borderColor=#000000 height=132 cellSpacing=0 cellPadding=1 width=537 align=center border=1><TBODY>
<TR>
<TD width=73>
<DIV align=center>级别</DIV></TD>
<TD width=48>
<DIV align=center>1</DIV></TD>
<TD width=60>
<DIV align=center>2</DIV></TD>
<TD width=56>
<DIV align=center>3</DIV></TD>
<TD width=52>
<DIV align=center>4</DIV></TD>
<TD width=43>
<DIV align=center>5</DIV></TD>
<TD width=55>
<DIV align=center>6</DIV></TD>
<TD width=55>
<DIV align=center>7</DIV></TD>
<TD width=57>
<DIV align=center>8</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>名称</DIV></TD>
<TD>
<DIV align=center>石长100</DIV></TD>
<TD>
<DIV align=center>石长75</DIV></TD>
<TD>
<DIV align=center>石长38</DIV></TD>
<TD>
<DIV align=center>石长18</DIV></TD>
<TD>
<DIV align=center>石长9</DIV></TD>
<TD>
<DIV align=center>石长4.5</DIV></TD>
<TD>
<DIV align=center>石长2.5</DIV></TD>
<TD>
<DIV align=center>石长1.5</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>石墨长度/mm</DIV></TD>
<TD>
<DIV align=center>>100</DIV></TD>
<TD>
<DIV align=center>>50~100</DIV></TD>
<TD>
<DIV align=center>>25~50</DIV></TD>
<TD>
<DIV align=center>>12~25</DIV></TD>
<TD>
<DIV align=center>>6~12</DIV></TD>
<TD>
<DIV align=center>>3~6</DIV></TD>
<TD>
<DIV align=center>>1.5~3</DIV></TD>
<TD>
<DIV align=center>>1.5</DIV></TD></TR></TBODY></TABLE>
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