可行时，液体物料应该用经过正确校验的立管来检测储罐或用孔板流量计、转子流量计或容积式流量计来测量；
Wherever practical the measurement of liquid streams shall be by standing gauges of properly calibrated tanks or by orifice meters, rotameters or displacement meters.
可行时，液体物料应该用经过正确校验的立管来检测储罐或用孔板流量计、转子流量计或容积式流量计来测量；
Wherever practical the measurement of liquid streams shall be by standing gauges of properly calibrated tanks or by orifice meters, rotameters or displacement meters.
应用推荐