发布时间:2025-01-17 00:48:13
正常情况下,燃气热水器是不需要除垢的,因为一般洗澡的温度在40度左右,并且燃气热水器是即热式的,这样的水温是不会结垢的
我家一楼楼上卫生间的污水管铸铁管已经换成pvc肯定不是渗漏但管的外壁总是有凝结水该怎么处理
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