旧彩快三网页版

  • <tr id='FDGtdh'><strong id='FDGtdh'></strong><small id='FDGtdh'></small><button id='FDGtdh'></button><li id='FDGtdh'><noscript id='FDGtdh'><big id='FDGtdh'></big><dt id='FDGtdh'></dt></noscript></li></tr><ol id='FDGtdh'><option id='FDGtdh'><table id='FDGtdh'><blockquote id='FDGtdh'><tbody id='FDGtdh'></tbody></blockquote></table></option></ol><u id='FDGtdh'></u><kbd id='FDGtdh'><kbd id='FDGtdh'></kbd></kbd>

    <code id='FDGtdh'><strong id='FDGtdh'></strong></code>

    <fieldset id='FDGtdh'></fieldset>
          <span id='FDGtdh'></span>

              <ins id='FDGtdh'></ins>
              <acronym id='FDGtdh'><em id='FDGtdh'></em><td id='FDGtdh'><div id='FDGtdh'></div></td></acronym><address id='FDGtdh'><big id='FDGtdh'><big id='FDGtdh'></big><legend id='FDGtdh'></legend></big></address>

              <i id='FDGtdh'><div id='FDGtdh'><ins id='FDGtdh'></ins></div></i>
              <i id='FDGtdh'></i>
            1. <dl id='FDGtdh'></dl>
              1. <blockquote id='FDGtdh'><q id='FDGtdh'><noscript id='FDGtdh'></noscript><dt id='FDGtdh'></dt></q></blockquote><noframes id='FDGtdh'><i id='FDGtdh'></i>

                隔音板

                2020-12-31 1135

                名称: 隔音板
                1.吸音量可达至NRC0.90以上.
                2.镀锌「板穿孔板面,另有▆多种颜色可供选择.
                3.坚固,保养及更换容易.
                4.吸声频带宽.
                5.适用于工业厂房,车间,控制室,试听室,图书馆,医院,广播大楼,大礼堂和大剧院等.


                推荐新闻