The paper presents basic principles on water use and economization on water in urban areas in light with characteristics of urban water use.
本文结合城市用水特点,提出了城市用水、节水的基本原理。
The paper presents basic principles on water use and economization on water in urban areas in light with characteristics of urban water use.
本文结合城市用水特点,提出了城市用水、节水的基本原理。
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