Readings display the successful voltage based on the normal value of samples about a complete quantity of periods of the basic frequency Gi? x? s? mi?n nam l??ng truy c?p trên h? th?ng Internet sites Minh Ng?c r?t l?n nên các b?n c?n l?u ý m?t s? v?n ?? sau ?? ??m b?o xem tr?c ti?p ?n ??nh nh?t:K?t Qu? X? S? K?t Qu? X? S? Mi?n Nam K?t Qu? X? S