The hardest faults to discover are those that transpire only Occasionally—intermittent events. They can be caused by poor connections, dust, Grime, corrosion or simply broken wiring or connectors.Sau khi ra m?t ?ng d?ng ?ã tr? nên ph? bi?n và thu hút l??t t?i c?a ng??i ch?i trên th? tr??ng.  Gi? tr?c ti?p x? s? l??ng truy c?p trên h? th?n