hot extruding and upsetting
hot extruding and upsetting
热挤压和镦粗
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The precision forging process for the steering sector gear shaft is discussed in the paper. The principle and the path of forming of the hot extruding and upsetting are also discussed.
介绍了热挤镦加热精整汽车转向机摇臂轴精锻成形工艺，对热挤镦的成形原理及变形过程进行了分析探讨。
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