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“中國水利”1956年11期許冀森同志提出的“从虹吸水头的浪費現象來談改進低水头离心水泵的安裝問題”一文(以下簡称“前文”)中所指出的浙江省农村中的抵揚程离心水泵存在着不必要的水头損失現象,建議在出水管口增加一段弯管(即所謂虹吸管見图1)来弥补。
“China Water Conservancy” 1956 11 Comrade Xu Jisen proposed “from the siphon head waste phenomenon to improve the installation of low-head centrifugal pump” article (hereinafter referred to as “Preface”) in the rural areas of Zhejiang arrived in Head centrifugal pump there is an unnecessary head loss phenomenon, it is recommended to increase the outlet pipe section of a bend (the so-called siphon Figure 1) to make up.