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用Y41-63型旧设备 ,开发挤压小活塞新工艺获得成功。介绍了挤压模的设计以及挤压活塞的优质和低成本
With Y41-63 type of old equipment, the development of new technology squeeze small piston to be successful. The design of extrusion dies and the quality and cost of extrusion pistons are introduced