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1INTRODUCTIONTheconventionalextrudingtechnologiesmostlyutilizethelinearmovementofchiefcylinderinhydraulicpresurecrocktopusht...
1INTRODUCTIONTheconventionalextrudingtechnologiesmostlyutilizethelinearmovementofchiefcylin-derinhydraulicpresurecrocktopusht ...