Thaum ib lub tuam txhab xaiv los nruab lub tshuab cua txias, koj yuav tsum tau them sai sai rau qhov project hais, vim hais tias nws yog ncaj qha ntsig txog cov nqi peev uas xav tau rau peb qhov project tag nrho, nrog rau cov ntaub ntawv tseem ceeb xws li cov qauv khoom, cov khoom siv, thiab cov khoom siv engineering. ...
Nyeem ntxiv