Chúng tôi k?t h?p k?t qu? x? s? t? nhi?u k? khác nhau, qua ?ó mang ??n t? l? trúng gi?i c?c cao cho nh?ng ai tham gia.Harmonics are periodic distortions of voltage, existing, or electricity sine waves. Harmonics in ability distribution methods are frequently due to non-linear hundreds such as switched method dc electrical power supplies and ad