Method of determining liquid flow from observations of surface slope and cross-sectional area of channel. It is suitable for use under somewhat special conditions when direct measurement of discharge by more accurate methods, such as the velocity-area method , is not possible
BS 3680 Pt.5-1992由英国标准学会 GB-BSI 发布于 1992-10-15。
BS 3680 Pt.5-1992 在中国标准分类中归属于: P12 工程水文,在国际标准分类中归属于: 17.120.20 明渠中流量的测量。
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