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。

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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。

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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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Toyota says it went to great lengths to cut vibrations and engine and wind noise by adding insulation in the floor and sound-deadening glass in the windshield.

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During last year's raid, federal agents found a locked door in the basement, which led to a second door that opened into a dungeon lined with sound-deadening material containing a small makeshift coffin with external locking devices.

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