The water pipe connecting device of the expansion water tank has the advantages of simple structure, convenient use and good effect, and the like.
本实用新型具有结构简单、使用方便、效果好等优点。
The water pipe connecting device of the expansion water tank has the advantages of simple structure, convenient use and good effect, and the like.
本实用新型具有结构简单、使用方便、效果好等优点。
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