[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

厚度决定低频吸音能力:9mm聚酯纤维板主要吸中高频,婴儿房若为改善说话/哭声回声选9-12mm即可;若要吸收更多低频需20mm以上或叠加空腔安装,但会明显占用墙面空间

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