Unverified82% confidenceDecision RuleTime unknown
标称覆盖面积应按厂商数值的60%-70%估算实际可用面积，且承重墙、镜面/金属衣柜会额外衰减信号，砖混老房比标称多加一个节点更稳妥
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82%
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Long-term
Relevance
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Unverified覆盖面积权衡：厂商标称覆盖面积通常在理想密闭无干扰环境下测得，实际有效范围约为标称的40-60%，选购时按房间面积的1.5-2倍标称值预留冗余82% similarUnverified扩散板铺设面积应占目标墙面的30%-60%，全墙铺满不会带来线性提升反而挤压吸音材料位置；后墙集中布置一块大面积扩散阵列优于分散小块76% similarUnverified免打孔粘贴款的实际持久承重约为标称值的60%，且瓷砖/乳胶漆墙面附着力差异大，育儿高频取放场景建议按标称承重打5折选购75% similarUnverified预留内容物空间：透明箱标称容积为满溢值，实际可用约为标称的80%（箱盖凸起和加强筋占位），选购时按需求容积上浮25%选型74% similarUnverified单次覆盖面积按标称打折：喷雾均匀度差，实际覆盖约为宣传值的60-70%，按每升覆盖8-12㎡估算用量，木质板材需多面多层喷涂74% similar
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