... 纵包机：longitudinal covering machine 纵包的：longitudinally applied 纵包成型模：folding tool ...
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本文从亚包晶钢的裂纹敏感性，表面纵裂形成及影响因素等方面进行讨论，初步阐述了亚包晶钢圆坯表面纵裂形成原因及各种因素对表面纵裂的影响。
The crack sensitivity of hypo-peritectic steel, its formation mechanism and factors are discussed, and on the analysis, the reasons and factors on longitudinal surface crack are found out.
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