安徽省机械工业局组织了有关专业人员,于一九七四年二季度至三季度初,先后到全省各地市及华东地区、华北地区、华中地区的130个单位,对一机行业的热处理生产、工艺、设备和产品质量进行了调查。现以一机部调查的资料为基础,结合江西的调查资料,概述如下。 Anhui Machinery Industry Bureau organized the relevant professionals. From the second quarter of 1974 to the beginning of the third quarter of the year, it has successively visited 130 cities and districts in the province, East China, North China and Central China, and conducted heat treatment of one machine industry Production, process, equipment and product quality were investigated. Based on the survey data of a machine department and the survey data of Jiangxi, it is summarized as follows.