标准摘要
[中文适用范围]： 规定了稳定流量条件下明渠水流量的测量方法。 所考虑的流动条件是自由流（仅取决于上游水头）和淹没流（取决于上游和下游水位）。 [外文原描述]： Specifies methods for the measurement of the flow of water in open channels under steady flow conditions. The flow conditions considered are free flow, which is dependent on the upstream head only, and drowned flow, which depends on both upstream and downstream water levels.
英文名称Measurement of liquid flow in open channels by weirs and flumes — Streamlined triangular profile weirs