结合多道次成形和分段成形工艺方式，文章对封头的多点成形过程进行了工艺分析。
Multi-step forming and sectional forming technology are the common use forming method in multi-point forming.
电缆如果需要分段使用，电缆分段后必须用防水封帽将电缆头密封，防止进水。
If the cable should be used sectionally, the head of the cable must be sealed in order to prevent water intake.
介绍了钢锭粗轧过程中对切头、切尾及均分段操作的长度计算方法及控制策略。
This paper introduces the length compute means and control method for cutting head, cutting end and mean cutting operation in bar roughing roll process.
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