新款熱水器上麵加了隔熱,anode rod的螺栓頭不在凸起露在表麵。水管接頭外露也短了一截,上下螺紋之間的無螺紋段看不見了。
新款熱水器上麵加了隔熱,anode rod的螺栓頭不在凸起露在表麵。水管接頭外露也短了一截,上下螺紋之間的無螺紋段看不見了。
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