longitudinal and cross rolling 单向和交叉轧制
The forming of steel ball by longitudinal rolling is a new technology to processed steel ball-billet. The technology has some new characteristics.
钢球坯纵轧成形是球坯成形的一种新工艺,属特种轧制范畴。
参考来源 - 钢球纵轧成形法连轧关系的研究及有限元数值模拟·2,447,543篇论文数据，部分数据来源于NoteExpress
So it is significant both in theory and in practice to further study the deformation mechanism of steel ball by longitudinal rolling in the deformation process.
对于这种新的成形方法，深入探讨其成形过程的变形机理具有重要的理论和实际意义。
Rolling ball guideway is used on longitudinal direction.
滚珠导轨上使用纵向方向。
An dynamical model was developed in this paper for dynamic estimation of the longitudinal stiffness and rolling radius of the tires.
通过建立轮胎动力模型，利用基于模式搜索的最小二乘法对轮胎的纵向刚度和滚动半径两个参数进行了动态估计。
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