浇注时保温冒口补缩效率的确定
<TABLE class=table1 borderColor=#b5dba2 cellSpacing=0 width=770 border=1><TBODY>
<TR>
<TD class=12bg align=middle bgColor=#e9fde4>形状系数下限</TD>
<TD class=12bg align=middle bgColor=#e9fde4>形状系数上限</TD>
<TD class=12bg align=middle bgColor=#e9fde4>补缩效率</TD></TR>
<TR>
<TD>0</TD>
<TD>199</TD>
<TD>25 </TD></TR>
<TR>
<TD>200</TD>
<TD>299</TD>
<TD>30 </TD></TR>
<TR>
<TD>300</TD>
<TD>399</TD>
<TD>33 </TD></TR>
<TR>
<TD>400</TD>
<TD>499</TD>
<TD>35 </TD></TR>
<TR>
<TD>500</TD>
<TD>999</TD>
<TD>40 </TD></TR>
<TR>
<TD>1000</TD>
<TD>10000</TD>
<TD>45 </TD></TR></TBODY></TABLE>
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