A device for determining molar mass with freezing point depression was improved,which consists of the Dewar bottle,sample container,Beckmann thermometer,and motor stirrer.是什么意思_A device for determining molar mass with freezing point depression was improved,which consists of the Dewar bottle,sample container,Beckmann thermometer,and motor stirrer.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句