知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。结构防水防潮还有一种做法就是前几年流行的超声波，适用于一些外观全封闭式的电子产品，即便是从结构上做很多的改变依然无法更好的阻止水气的浸入，因为电子产品特别是手机、耳机

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