n.酸度計(jì)(PH計(jì)；酸液比重計(jì))
The Investigation and Discussion of the Acidometer Electricity Meter the Automation Temperature Compensator Arouses the Error to the Showing Value 對酸度計(jì)電計(jì)自動(dòng)溫度補(bǔ)償器引起示值誤差檢定的探討
