单位水量电耗
Electricity consumption for a ton of wastewater
20英尺当量单位
TEU twenty-foot-equipment unit
采购计量单位
purchase unit of measure
purchasing unit of measure
测量单位转换因子
unit of measure conversion factor
纯量单位矩阵式共变量
Scalar identity covariance matrix
单位水创造产值
production value per cubic meter water