The fresh underground water (FUW) is the rare natural resource of hydrosphere in earth and the sensitive weak key element of environment.
地下淡水是地球水圈中罕见的自然资源和敏感脆弱的环境要素。
In the city, water leakage in underground pipeline is one important reason causing water waste. Along with fresh water resource increasingly drying up, people pay more attention to water leakage.
城市地下水管道的漏水是造成水资源浪费的一个重要原因，随着淡水资源的日益枯竭，管道漏水探测越来越受到人们的重视。
In the city, water leakage in underground pipeline is one important reason causing water waste. Along with fresh water resource increasingly drying up, people pay more attention to water leakage.
城市地下水管道的漏水是造成水资源浪费的一个重要原因，随着淡水资源的日益枯竭，管道漏水探测越来越受到人们的重视。
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