Qhov hnyav ntawm cov ntawv sau

Thaum kho ib phau ntawv, peb yuav tsum nkag siab txog cov khoom thiab qhov hnyav ntawm cov ntawv sau. Txhua hom ntawv sau muaj qhov hnyav sib txawv. Peb feem ntau siv cov ntawv sau nrog qhov hnyav ntawm 70g, 80g, 100g, 120g, 150g, thiab 180g. Cov neeg siv khoom txawv teb chaws nyiam cov ntawv tuab thiab yuav xaiv 120g.