trong m?t kho?n th?i gian nh?t ??nh tr??c khi ?i?u ch?nh, t?t nh?t b?n nên dùng ph??ng pháp t? ??ng ho?c xây d?ng hàm ?? ki?m tra v?i d? li?u.The toughest faults to uncover are the ones that materialize only once in a while—intermittent events. They are often caused by bad connections, dust, Filth, corrosion or just broken wiring or connec