通用量具、量仪主要用于几何量的测量，应用十分广泛。由于它们量大、使用频繁，且测量方式都是接触测量，会产生磨损，因而其维修工作量是很大的。考虑到目前我国中小型企业发展很快，尤其是乡镇企业，通用量具、量仪使用更为广泛，而计量检修人员变动也较大、新的人员较多， Universal measuring tools, measuring instrument is mainly used for measuring the amount of geometry, the application is very wide. Because of their large volume, frequent use, and measurement methods are contact measurement, there will be wear and tear, so its maintenance workload is great. Taking into account the current rapid development of small and medium enterprises in our country, especially township enterprises, general measuring tools, measuring instruments to use more widely, and changes in personnel measurement maintenance personnel larger, more new staff,