发布时间:2025-02-03 12:09:28
5分钟到10分钟。暖气放水其实就是为了放气,放出里面多余的空气,在放水时看到排水管中出水了,没有气泡产生,一般放5分钟到10分钟就会热,不需要放太多水,只会浪费系统内部的热水。
dtzy67型三相四线费控智能电表怎样看电表数据看我家用了多少度电
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