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耳塞多久换一次

更新时间: 2020-11-04 00:00:00     

一般来说会一周一换。当耳塞脏污、破损时应立即废弃,更换新的耳塞。

耳塞,小型受话器,可塞在耳中,常用在收音机和助听器上。也可以塞在耳中,游泳时用来防止水进入耳内,也可以用来减低噪声干扰,即防噪音耳塞、睡眠耳塞等。

关键词: 耳塞 多久

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