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燃气热水器点火失败，显示故障代码E1，这样捅两下立马解决问题
海尔燃气热水器点火失败，显示故障代码E1，相同的故障不一样的问题，这样捅两下轻松解决问题
燃气热水器不启动，没有热水，常见故障维修合集35/113
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