标准真空计  normal gage; standard vacuum gauge

美国石油协会美国石油学会美国油量计量标准  american petroleum institute

标准真空表  standard vacuum meter

复合压力和真空计量表  compound pressure and vacuum gauge

静态膨胀法真空标准  Static expansion vacuum standard

真空标准  vacuum standard; Vacuum standards

真空计量  vacuum calibration; vacuum metrology; vacuum measurement

真空计量学  vacuum metrology

标准轨距、标准量计  standard gage

标准计量  standard measurement

标准计量方法  Standard Method of Measurement

标准计量基准  standard metering base

标准量计  master gauge; master gage

大尺寸计量标准  Large dimension metrology standard

电能计量标准  energy standard

电能量计量计费  power telemeter and settlement system

电能量计量计费系统  power energy billing system; telemeter reading system; the System of Measuring and Billing of Power Energy; tele meter reading system

估计量标准误  standard error of estimator

光学计量标准器  Optical metrology standard set