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document.write('    	<td height="18" bgcolor="#EDECE9">·[] 发表评论于 2011/5/25 21:34:28</td>');
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document.write('    	<td style="line-height:24px;font-size:14px;">&nbsp;用IGBT&nbsp;和三极管放大电路&nbsp;压电陶瓷&nbsp;RC回路&nbsp;一样可以做</td>');
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