If large-scale mechanical equipment needs to be repaired, the equipment that needs to be repaired by memory must be automatically equipped with an electric lifting table with a certain mechanical digital display to control the speed of the lifting table. On the other hand, the reason for choosing electric power is that it can be supplemented in time when its electric power supply is insufficient. If large-scale mechanical equipment needs to be repaired, the equipment that needs to be repaired by memory must be automatically equipped with an electric lifting table with a certain mechanical digital display to control the speed of the lifting table.这就需要记性维修的设备必须自动配备电动的升降台