The water meter is only added with a timing unit and a counting unit on the basis of the existing electronic water meter, and has the simple structure and is practical and convenient.
该水表仅需在现有电子水表基础上增加一个计时和计数单元，结构简单，实用方便。
The water meter is only added with a timing unit and a counting unit on the basis of the existing electronic water meter, and has the simple structure and is practical and convenient.
该水表仅需在现有电子水表基础上增加一个计时和计数单元，结构简单，实用方便。
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