khi vao vung ko co song hoac tat may ma co nguoi gui tin nhan thi den khi mat may hay den vung co song ko nhan dc tin nhan.
that su mang EVN nay chat luong qua kem co rat nhieu nhuoc diem toi muon dung chang qua vi cung la 1 cong nhan trong nghanh dien thi ung ho mang cua nghanh cai do toi ko noi lam gi nhung ma nhieu luc rat tuc muon chuyen mang de dung nhung lai tiec so da dung lau roi gio thay so cung ngai mong EVN chinh? don' lai nhung nhuoc diem dac biet la nhuoc diem tin nhan ma khi may minh tat nguon hoac ko co song