https://cdn.bootcdn.net/ajax/libsinitial-scale=1.0"> 1、隔音门墙体采用1.5mm厚的国标h钢板?、隔音门墙体外表面钢板经q脱脂、磷化、喷塑处理(颜色客户选择Q?、隔音门墙体内选用8公分波峰吔R?、隔音门墙体夹层"> 97热久久免费频精品99,久久精品99久久香蕉国产色戒,久久99精品久久久久久噜噜
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          18 2020-08

            密封隔音?/h1>

            隔音?/span>Q?br /> 1、隔音门墙体采用1.5mm厚的国标h钢板?/p>

            2、隔音门墙体外表面钢板经q脱脂、磷化、喷塑处理(颜色客户选择Q?/div>
            3、隔音门墙体内选用8公分波峰吔R?/div>
            4、隔音门墙体夹层选用隔音ѝ?/div>
            5、墙体夹层选用多规格密度的防火、环保吸x、中密度ѝ阻板?/div>
            6?隔音?采用汽动开启装|,׃后留直径50MM的信可{接孔?/div>