新款热水器上面加了隔热,anode rod的螺栓头不在凸起露在表面。水管接头外露也短了一截,上下螺纹之间的无螺纹段看不见了。
新款热水器上面加了隔热,anode rod的螺栓头不在凸起露在表面。水管接头外露也短了一截,上下螺纹之间的无螺纹段看不见了。
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