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document.write('    	<td height="18" bgcolor="#EDECE9">·[AA] 发表评论于 2008/6/13 20:14:59</td>');
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document.write('    	<td style="line-height:24px;font-size:14px;">&nbsp;功率有变压器及BG6，BG7决定，电路工作频率由R1，R2，C1，C2决定。</td>');
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document.write('    	<td height="18" bgcolor="#EDECE9">·[RECORDS33] 发表评论于 2008/6/13 8:24:29</td>');
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document.write('    	<td style="line-height:24px;font-size:14px;">&nbsp;请教，这个逆变电源的功率是否取决于变压器的功率，300Hz的频率是否准确，谢谢！RECORDS33@163.COM</td>');
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