[KongchangAI]
Unverified85% confidenceCautionTime unknown

隔音毡对低频(<250Hz,如汽车轰鸣、地铁、低音炮)几乎无效,单靠隔音毡无法解决楼板振动、隔壁低音等低频问题,需配合减震隔音(如浮筑地面、隔音减震吊件、龙骨断桥处理)

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Long-term
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