UV & Number case
Cov cwj mem muaj peev xwm yuav siv los ua cov ntawv sau tawm, gravure, flexography.no zoo li cas ntawm cov ntawv luam tawm.Kuv ntseeg tias tus cwj mem kua zoo zoo yog qhov teeb meem tseem ceeb uas feem ntau cov neeg muaj kev mob siab txog.the UV number case tuaj yeem tshwm sim los ntawm raug tus kab mob ultraviolet rau nws cov kev tshawb fawb peb tau paub tias nws muaj ntau txoj kev vam meej ua ntej thiab tom qab raug pom hauv ultraviolet.namely tus cwj mem muaj peev xwm qis ua ntej raug cov kab mob, tab sis nws muaj peev xwm kho sai sai thaum tau txais lub ultraviolet.after analyzing cov txheej txheem. Peb kuj tuaj yeem tau txiav txim siab tias Ultraviolet cov nyhuv tuaj yeem cuam tshuam tus number case number zoo zoo.
