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购买太阳能热水器要注意什么
更新时间： 2020-11-09 00:00:00  

热性能指标中，“平均日效率”越高越好，“平均热损系数”越低越好。太阳能热水器的关键部件就是全玻璃真空太阳能集热管（简称真空管），真空管质量的好坏直接影响到整个太阳能热水器的性能。

关键词： 购买 太阳能 热水器 注意 什么

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