document.write('<div class="commentbox">');
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document.write('<span>2016-04-14 08:34:19</span>');
document.write('dajianli');
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document.write('<div class="content">');
document.write('<p>有具体型号，就有参数手册吧</p>');
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document.write('<div class="commentbox">');
document.write('<div class="name_time">');
document.write('<span>2016-04-13 22:59:00</span>');
document.write('xqh518');
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document.write('<div class="content">');
document.write('<p>再问一下：作者介绍的压敏电阻有参数手册吗？</p>');
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document.write('<div class="commentbox">');
document.write('<div class="name_time">');
document.write('<span>2016-04-13 22:57:17</span>');
document.write('xqh518');
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document.write('<div class="content">');
document.write('<p>简单明了，赞一个。</p>');
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