发布时间:2025-01-17 00:46:23
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
建筑工程中级专业技术资格中的建筑学工程师证可以做消防用装修图纸设计师吗
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