水锤计算程序，计算开启水泵瞬时压力。预防水泵受损-Water hammer calculation procedure

用计算机计算管道水锤的特征线法,编制了一个简单管道的水锤压力计算程序(A method for calculating the water hammer pressure of a simple pipeline has been worked out by using computer to calculate the characteristic curve of water hammer in pipeline)