天气预报 > 生活 > 零下5度太阳能水要放掉吗
零下5度太阳能水要放掉吗
更新时间: 2021-03-05 07:16:19  

1、零下5度太阳能热水器里的水放掉比较好。

2、只要气温低于零度,水就会结冰。零下5度时太阳能热水器的水如果不放,就会结冰,尤其塑料管更容易冻裂。所以气温零下5度时,太阳能热水器的水需要放掉,这样才万无一失。

关键词: 零下 太阳能

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