Noise inside a building can be reduced if both the external and internal walls are made of sound deadening materials.
建筑室内的噪音也可以得到减少，前提是外墙和内墙都要运用这种隔音材料。
Additional, wall, condole can choose deadening very, if mineral wool is sound-absorbing board wait.
另外，墙壁、吊顶可选用隔音材料，如矿棉吸音板等。
The utility model has a good sound-deadening effect and is not easy to bring the phenomenon of icing and clogging, the power consumption is very small, the structure is simple, and the cost is low.
本实用新型消声效果好，不易产生结冰堵塞现象，功率损耗很小，结构简单，制造成本低。
The utility model has a good sound-deadening effect and is not easy to bring the phenomenon of icing and clogging, the power consumption is very small, the structure is simple, and the cost is low.
本实用新型消声效果好，不易产生结冰堵塞现象，功率损耗很小，结构简单，制造成本低。
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