cardiac microphone

基本解释心传声器

网络释义

1)cardiac microphone,心传声器2)cardioid microphone,心形传声器3)hyper-cardioid microphone,超心形传声器[声]4)cardioid microphone,心脏形传声器5)cardioid microphone,心形方向性传声器6)PCG microphone,心音传声器,心音图扩音器

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