Thaum koj tau txais cov khoom kim heev, koj yuav paub tias daim tawv zoo. Cov khoom siv hlau tsis xeb muaj hom LOGO, saib qhov ci ntawm daim tawv, Saib ntawm ntug roj, saib ntawm kab, Qhov zoo tshaj plaws hauv kev ua lag luam, tsis muaj leej twg, thawj qhov kev xaiv rau kev paub cov khoom. Loj: 28.19.3, Xim: Xim av
Sau koj cov lus ntawm no thiab xa tuaj rau peb









