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热水壶怎样做才能一直水开

更新时间: 2021-05-26 05:40:15     

1、水壶跳闸有二外开关,一个是蒸气开关,一个是保护开关。当蒸气开关金属感温装置发生不良或损坏时,将造成水开后不能及时跳开,继续加热;

2、保护开关损坏后在蒸气开关失灵时,它不法起到保护作用,致使水开后仍然不断的加热。

关键词: 水壶 怎样 才能 一直

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