标准摘要
[中文适用范围]： 本国际标准规定了使用矩形宽顶堰精确测量自由流动条件下明渠清水流量的要求。 [外文原描述]： ISO 3846:2008 lays down requirements for the use of rectangular broad-crested weirs for the accurate measurement of flow of clear water in open channels under free flow conditions.
英文名称Hydrometry — Open channel flow measurement using rectangular broad-crested weirs