Psychological testing technology: Does Wei Zi test whether your love with him is equal?

The power plug is burnt. First, the contact between the power plug and the socket is poor, and the contact surface is heated due to contact resistance. The more the thermal resistance increases, the contact surface will be burned out after a long time. First, the plug with electrical appliances is often plugged and unplugged, which damages the connecting wire inside the plug, resulting in disconnection and reduced current, while the electrical appliances need large current, thus causing the plug to burn out and burn out.