词汇	rate of gain
释义	rate of gain 出羽速度
随便看	direct-reading permmeter direct reading phase analyzer direct-reading phase analyzer directreading ph meter direct reading pH meter direct-reading pH meter directreading ph metre direct reading ph metre direct reading photoelectrical spectrograph direct reading photometer direct-reading potentiometer direct-reading range direct-reading ratio set direct reading receiver direct reading reflector meter direct reading scale direct-reading scale direct-reading spectrochemical methods direct reading spectrograph direct-reading spectrograph directreading spectrometer direct reading spectrometer direct-reading spectrometer directreading spectrometre direct reading spectrometre