脱尾在连轧带材时由于轧件尾部离开成品前机架失去张力尾部增厚的部分
The part of a strip that thickens in a continuous rolling process due to the loss of tension at the end of the rolled piece from the front frame of the finished product
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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