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  • OA officeBaosteelBaosteel Online|Channel switchingPhysical resources|Oriental steel online|中文版
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    In 1876, the French Lavoisier proposed basic principles of gas cutting. In 1887, the United States successfully tested

    The present invention discloses a tape cutting welding machine, which includes tape cutting mechanism and located on t

    Milling mainly by transmission gear while drilling and milling machine mainly by the belt drive and universal milling

    Almost all of the performance and wear resistance of the material have a relationship, and the wear mechanism in diffe

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