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為什么戴上耳塞后還是還能聽到聲音?
2020-05-14

答:

隔音耳塞的原理就如同用手指堵住耳孔,即使外耳道堵住了但是有些聲波是可以通過人體傳導至鼓膜仍然可以聽到一些的,耳塞所能做到的就是最大程度降低聲音!

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