Building outer wall high temperature fire protection, sound-insulated noise reduction.
建筑物外墙高温防火、隔音降噪。
2
In the off-position, has the good leak-proof quality as well as the heat insulation sound-insulated performance.
在关闭状态，有良好的密封性以及隔热隔音性能。
3
Previous A has exuded the very big pitiful yell sound, his room sound-insulated is too good, I have closed the window, is not grasped a criminal in flagrante to be only then strange.