对工业排水明渠流量测量领域常用测量方法,即堰法、槽法、流速面积法、潜水电磁流量汁法的原理和应用作概要介绍,阐述了选用时估算现有渠道流量和抬高水位的方法,文末在应用和性能方面作了讨论和比较。 This paper introduces the principle and application of commonly used measuring methods in weir flow measurement of industrial open channel, namely the weir method, trough method, flow area method and submerged electromagnetic flow rate method, and expounds the method of estimating the existing channel flow and raising the water level At the end of this paper, the application and performance are discussed and compared.