Both volumetric method and gravimetric method can be used for determination of Zn in thiofide ZDBC.The gravimetric method is easy to operate but it spents more analysis time.是什么意思_Both volumetric method and gravimetric method can be used for determination of Zn in thiofide ZDBC.The gravimetric method is easy to operate but it spents more analysis time.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句