The chromatographic columns usually used in liquor-making industry include DNP packed column,large caliber capillary column,and small caliber capillary column.是什么意思_The chromatographic columns usually used in liquor-making industry include DNP packed column,large caliber capillary column,and small caliber capillary column.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句