The idea of eliminating the Division of historical development progress is childish and silly.
消灭分工的想法,从历史发展进程来看是幼稚可笑的.
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Development progress of high strength sheet and its application in automobile industry are introduced.
介绍了高强度钢板的开发进程和在汽车工业中的应用情况.
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The development progress of chromate and chromate - free passivation for sheet is described and discussed.
概述了热镀锌钝化及无铬钝化技术的发展历程.
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