Cov quav ciab Ribbon
Ciab raws li thaum tshav kub hloov bar code tshuab luam ntawv Ribbon
Siv cov khoom kub siv hluav taws xob hloov pauv pob zeb, ua los ntawm cov khoom siv zoo, cov luam ntawv no ua kom koj cov ntawv luam tawm thiab cov ntawv sau tseem ceeb rau lub sijhawm ntev. Nws tuaj yeem lav sib xws thiab txhim khu kev qha luam ntawv kev ua tau zoo txawm nyob rau ib puag ncig hnyav thiab cov xwm txheej nyuaj.