[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

分贝越高体积通常越大且需要更大吹气量,儿童和体弱者应选双腔中低分贝(100-110dB)省力哨,追求极限穿透力的三腔平板哨对肺活量要求高

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