Unverified83% confidenceDecision RuleTime unknown
风扇挡位越多、风速调节越平滑（如12档以上或无级调速），越容易调出既有风感又足够静音的档位；只有3档的产品往往低档风太弱、高档太吵
1
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83%
Confidence
Long-term
Relevance
-
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