The hardest faults to discover are those who take place only Every so often—intermittent functions. They can be caused by negative connections, dust, Grime, corrosion or just broken wiring or connectors.C? h?i phát tri?n t?i kênh h?p tác kinh doanh C? h?i phát tri?n t?i kênh h?p tác kinh doanhT?n su?t c?p Loto T?n su?t Lô r?i T?n su?t gi?i