Txawm hais tias cov poj niam dub yog cov pej xeem coob tshaj plaws ntawm cov poj niam pib ua lag luam, ntau yog ... [+] bootstrapping thiab tawm tsam kom tau nyiaj. Tsuas yog 3% ntawm cov poj niam dub cov tuam txhab lag luam paub tab thiab muaj sia nyob l ...
Tag: Kev tswj hwm ua lag luam me
Txoj Cai-Sizing Kev Lag Luam Hauv Tsev PPE tseem ceeb dhau los ua yuam kev
Tsoomfwv Meskas yog tus neeg yuav khoom tseem ceeb ntawm cov npog ntsej muag thiab hnav ris tsho uas pab tiv thaiv Covid. Feem ntau cov tib neeg thiab cov lag luam muaj cov ntsiab lus los yuav tsis tshua kim, txawv teb chaws ua PPE, tab sis ...