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尊敬的广大读者:来源于生产,服务于生产,办读者喜爱的媒体,是我们多年来始终坚持的办刊理念。从本期开始,我们将对内容和版式进行升级,力求用更好的内容和更生动多彩的表现形式,服务于广大读者朋友。2014年,《金属加工》杂志走过了64个岁月,从当年8开本的《机械工人》口袋书,到16开的彩色与黑白混合印刷版,再到今天的全彩印刷,我们始终跟随着读者的需求不断改进。我们的改变,不追求形式的变化,更加注重内容的提升,更希望将先进性、实用性的加工制造技术和经验传递给读者朋友们,让大
Dear readers: From the production, service production, do readers favorite media, we have been insisting on the concept of running for many years. Starting from this issue, we will upgrade the content and layout to strive for better content and a more vivid and colorful presentation to serve our readers and readers. In 2014, Metalworking Magazine passed 64 years. From the pocketbook of “mechanized workers” in the 8 books of that year to the mixed color printing of 16 and the full color printing of today, we are always following The needs of readers continue to improve. Our change, not the pursuit of changes in form, pay more attention to the promotion of content, but also hope that advanced and practical processing technology and manufacturing experience passed to the readers friends, so that large