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 search out are the ones that transpire only once in a while-intermittent event. They may be a result of lousy connections, dust, dirt, corrosion, or simply broken wiring or conne