Your browser isn’t supported any longer. Update it to get the very best YouTube expertise and our most up-to-date characteristics. Find out moreTi?t ki?m chi phí ph?i chi tr? ?? thông t?c, s?a ch?a h?m c?u khi x?y ra tình tr?ng t?c ngh?n quá n?ng.Và sau m?t th?i gian s? d?ng thì h?m c?u s? b? ??y b?t bu?c ph?i n?o vét, v? sinh. N?m b?t ???