门扇空腔80mm填充吸声材料隔声效果的比较
<div align="center"><table cellspacing="0" cellpadding="0" border="1" style="MARGIN-LEFT: 38.55pt; mso-cellspacing: 0cm; mso-padding-alt: 0cm 0cm 0cm 0cm;"><tbody><tr><td width="78" style="BORDER-RIGHT: #d4d0c8; PADDING-RIGHT: 0cm; BORDER-TOP: #d4d0c8; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: #d4d0c8; WIDTH: 58.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent;"><p align="center" style="TEXT-ALIGN: center;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">序号<span lang="EN-US"><p></p></span></font></span></p></td><td width="93" style="BORDER-RIGHT: #d4d0c8; PADDING-RIGHT: 0cm; BORDER-TOP: #d4d0c8; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: #d4d0c8; WIDTH: 69.4pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent;"><p align="center" style="TEXT-ALIGN: center;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">门扇面板材料<span lang="EN-US"><p></p></span></font></span></p></td><td width="92" style="BORDER-RIGHT: #d4d0c8; PADDING-RIGHT: 0cm; BORDER-TOP: #d4d0c8; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: #d4d0c8; WIDTH: 69.35pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent;"><p align="center" style="TEXT-ALIGN: center;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">填充吸声材料<span lang="EN-US"><p></p></span></font></span></p></td><td width="93" style="BORDER-RIGHT: #d4d0c8; PADDING-RIGHT: 0cm; BORDER-TOP: #d4d0c8; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: #d4d0c8; WIDTH: 69.4pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent;"><p align="center" style="TEXT-ALIGN: center;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">面密度</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: "Times New Roman";">/</span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">（</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: "Times New Roman";">/</span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">）<span lang="EN-US"><p></p></span></font></span></p></td><td width="93" style="BORDER-RIGHT: #d4d0c8; PADDING-RIGHT: 0cm; BORDER-TOP: #d4d0c8; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: #d4d0c8; WIDTH: 69.4pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent;"><p align="center" style="TEXT-ALIGN: center;"><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">平均隔声量</font></span><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: "Times New Roman";">B<p></p></span></p></td></tr><tr><td width="78" style="BORDER-RIGHT: #d4d0c8; PADDING-RIGHT: 0cm; BORDER-TOP: #d4d0c8; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: #d4d0c8; WIDTH: 58.55pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent;"><p align="center" style="TEXT-ALIGN: center;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: "Times New Roman";">1<p></p></span></p><p align="center" style="TEXT-ALIGN: center;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: "Times New Roman";">2<p></p></span></p><p align="center" style="TEXT-ALIGN: center;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: "Times New Roman";">3<p></p></span></p><p align="center" style="TEXT-ALIGN: center;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: "Times New Roman";">4<p></p></span></p></td><td width="93" style="BORDER-RIGHT: #d4d0c8; PADDING-RIGHT: 0cm; BORDER-TOP: #d4d0c8; PADDING-LEFT: 0cm; PADDING-BOTTOM: 0cm; BORDER-LEFT: #d4d0c8; WIDTH: 69.4pt; PADDING-TOP: 0cm; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent;"><p align="center" style="TEXT-ALIGN: center;"><span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: "Times New Roman";">5mm</span><span style="FONT-SIZE: 9pt; COLOR: black;"><font face="宋体">三夹板<span lang="EN-US"><p></p></span></font></span></p><p align[[i] 本帖最后由 喧嚣的绿色 于 2008-5-7 21:39 编辑 [/i]] <p>谢谢楼主分享。</p><p></p><p>如果有价钱的对比就更好。</p> 感觉5mm三夹板加玻璃棉以后跟2.5mm钢板隔声效果差别不是很大，而且面密度又小那么多啊，不太符合质量定律啊。呵呵 怎么看？好像出现乱码？
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