Unverified85% confidenceDecision RuleTime unknown
宠物毛发厚会产生摩擦噪音，选带双面听诊头（膜面+钟面）的款式：膜面听高频（呼吸音、瓣膜声），钟面听低频（心杂音），单膜面款在长毛猫犬上易被毛发干扰
1
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85%
Confidence
Long-term
Relevance
-
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