Tus Nqi Ntawm Refractory Row Khoom Nce

Tshaj yav dhau los ob xyoos, Tuam Tshoj tau kaw ntau cov khoom me me thiab nruab nrab ntawm cov khoom siv me me thiab cov khoom siv roj ntawm cov khoom nyuab siab vim muaj kev tiv thaiv ib puag ncig tiv thaiv. Lub caij no, kev tiv thaiv ib puag ncig ntawm kev tiv thaiv tau raug coj los ntawm cov lag luam loj loj thiab nruab nrab. Vim li ntawd, kev tsim cov khoom nyhav nyhav thiab cov khoom ua rau cov khoom ua kom tsis muaj zog tuaj ntau dua, ua rau 2-3 laab ntxiv hauv cov khoom muag. Kev xa khoom nqa nyuaj.