Nws dhau thiab ua tiav nrog - tso tawm ntawm EX
Tshaj thiab Tshaj - tso tawm ntawm EX - Tus khub tau tso qhov tsis muaj dab tsi sib sib zog nqus. Tsis zoo los sawv ntxov ib leeg. Cov lus qhia no yuav qhia koj yuav ua li cas tso EX lossis tso kev sib raug zoo.