Chromatography system is an important component of packing printing machine, which is responsible for controlling the accurate localization of each color.
套色系统，是包装印刷机的重要组成部分，负责控制各印色的准确定位，对印刷质量起着决定作用。
2
Chromatography system is an important component of packing printing machine, which is responsible for controlling the accurate localization of each color. It plays a decisive role to printing quality.
套色系统，是包装印刷机的重要组成部分，负责控制各印色的准确定位，对印刷质量起着决定作用。
3
Using the hydrogen flame polar capillary vessel gas phase chromatography to replace the original packing column method, isobutyl alcohol in waste gas was determined.