一、前言在学习无产阶级专政理论热潮中,为大打照相机工业翻身仗,我们感到以前的 CKX型数字程序控制线切割机在模具生产中虽然发挥了相当大的作用,但有些问题还需改进。 I. Preface To learn how to deal with the camera industry in the upsurge of learning the dictatorship of the proletariat, we feel that although the former CKX digital process control wire-cutting machine has played a considerable role in the production of molds, some problems still need to be improved .