对（对二甲胺苯偶氮）苯磺酸钠[盐]
p-(p-dimethylaminophenyl-azo)benzenesulfonic acid sodium salt
methyl orange
水流量度
current measurement
current measurement [water
水流量标准装置
standard facilities for water flowrate measurement
Water flow standard device
水流脉动压力
fluctuating pressure of flow
水流泥沙
sediment flow
flow-sediment
Water flow and Sediment
flow and sediment transport