[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

静音与开合速度、承重能力存在权衡:超静音电机(≤30分贝)通常牺牲拉动速度或最大承重,重型厚帘想兼顾快速开合往往噪音上升到40分贝以上

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80%
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Long-term
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