When using either Hexane or Methylene Chloride the column must be flushed with Isopropanol before returning to your resvered-phase mobile phase.是什么意思_When using either Hexane or Methylene Chloride the column must be flushed with Isopropanol before returning to your resvered-phase mobile phase.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句