In this paper, we study the technique of cold extruding forming, and produced all kinds of the long conical pipe in that way.
采用冷挤压成形工艺方法，能生产出各种尺寸、规格的深圆锥形管件。
In this paper, we study the technique of cold extruding forming, and produced all kinds of the long conical pipe in that way.
采用冷挤压成形工艺方法，能生产出各种尺寸、规格的深圆锥形管件。
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