pipeline cost index 中文意思是什麼
pipeline cost index
解釋
管線費用指數-
Combining with practical investigation and analysis, the author presented the fitting equation of the second non - uniform coefficient in which the method of least squares error approximation with the power index regression is used and proposed a modified formula for flow rate per second calculation to precisely determine the size of pipeline and to make the design advanced in technology and reasonable cost
本課題分析了室外和室內的設計流量公式,通過調查、實測本地區的水量資料,運用相關數學方法分析,提出了適合小區給水管網採用的流量公式。
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