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七十年代以来,为应付能源危机,维持竞争能力,国外热处理行业出现了节能“热”,围绕节能大搞设备和工艺技术改造,共主要内容可概括为以下八方面:(1)回收利用燃
Since the 1970s, in order to cope with the energy crisis and maintain its competitiveness, energy-saving “heat” has emerged in the heat treatment industry in the world. Major energy-saving equipment and technological transformations have been carried out. The main contents can be summarized as follows: (1)