优质低耗热加工工艺及装备联线技术被列为我国九十年代机械工业关键技术为了加快机械工业的技术进步，按照有所为有所不为的原则，统一协调全行业的科技力量，集中解决一批与机械工业发展密切相关的重大技术问题，机械工业部日前发布了九十年代机械工业的关键技术。优质低... High-quality low-power heat processing technology and equipment line technology was listed as the key technology of China’s machinery industry in the 1990s In order to speed up the technological progress of the machinery industry, in accordance with the principle of doing something for nothing, the unification and coordination of the entire industry’s scientific and technological strength, focus To solve a number of major technical problems closely related to the development of the machinery industry, the Ministry of Machinery Industry recently released the key technologies of the machinery industry in the 1990s. High quality low ...