Mosquito Killer Lamp,T5 Bl Tube,T5 Bl Lamp,T5 Bl Bulb Changxing leboom lighting product CO.Ltd. , https://www.leboomuvs.com At present, most of the precision hole systems that require high dimensional and positional accuracy are processed on a coordinate boring machine. For small and medium-sized enterprises and township enterprises without coordinate trampolines, this processing method is difficult to achieve. In order to solve such problems, this paper introduces a method for machining precision hole systems by adjusting the milling machine.