标准摘要
[中文适用范围]： 规定了在稳定或缓慢变化的流量条件下明渠（特别是灌溉渠）中液体流量的测量方法。 所使用的水槽设计为在自由流动和浸没条件下运行。 [外文原描述]： Specifies methods of liquid flow measurement in open channels (particularly in irrigation canals) under steady or slowly varying flow conditions. The flumes used are designed to operate under both free-flow and submergence conditions.
英文名称Measurement of liquid flow in open channels — Parshall and SANIIRI flumes