In this paper, the pipe network drag coefficient checking, checking and real-time traffic node leakage positioned as the main research content is proposed based on the weighted least squares method of checking the pipe network resistance coefficient of empirical information.

渚涙按绠＄綉姘村姏妯″瀷鏍℃牳涓庢紡鎹熷畾浣嶇爺绌禵鏉滃潳-5绔?caj

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