[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

静音标准:运行噪音≤35dB才算真静音(安静卧室约30dB),标注40dB以上的电机夜间开合会吵醒人,卧室必须选≤35dB并优先直流无刷电机

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