查询词典 roll back

Two shaft-less roll mounting positions are provided on a rotating turret which positions the full rolls conveniently for unloading and remounting of an empty spindle while the working roll is winding the product.

两个少轴的轴辊的挂载位置是在旋转塔上面，而旋转塔的位置可以方便地将轴辊卸下或在工作中的轴辊吹送产品的同时重新挂载一个空的主轴。

The number of roll waves and the superposing of roll wave are heavily influenced by the discharge of flow.

通过特定的试验研究发现，坡面径流是以滚波流的形式运动的，而并非是以均匀流形式运动。

A fuzzy tunning PID controller sing roll angle input source is applied in the active roll control. It is co-simulated under the Matlab/Simulink software environment and realizes the online coordination.

采用模糊自适应PID控制策略，在Matlab/Simulink环境中对车辆抗侧倾性能进行了联合仿真，实现了PID控制过程中参数的在线整定。

The paper presents a few major technical plan s for adding roll-on roll-off functions to the existing common wharfs.

文章介绍一般码头增加滚装装卸功能的主要几种技术实现方案，并对几种技术方案进行了比较分析，得出了各自的优缺点，提出了推荐采用方案。

Nonlinear finite element method was used to analyze the distribution of the stress and strain on each part of the angle steel during the cold roll forming process, and the deformation pattern of metal during the cold roll forming process was revealed.

采用非线性有限元法对冷弯成型过程中角钢各部位的应力、应变分布情况进行分析，并揭示了角钢在成型过程中金属的变形规律。

The causes of the rolling flaws such as concavity on the end of workpiece、Mannesmann effect、spiral roll mark on the axle head and tooth roll mark etc in the lab-simulated experiment are analyzed to provide suggestion for the application of the CWR forming process of gear-shaft.

同时分析了物理实验过程中轧件各种质量缺陷的产生机制，如端头凹心、曼乃斯曼效应、轴端螺旋状压痕以及齿部齿条压痕等，为齿轮轴楔横轧成形工艺实用化研究提供指导。

S1: I can roll the clay into a ball. I can't roll the sand into a ball.

交流：黏土能揉成小球，但沙子却不行。

The horizontal roll axial shifting is the important method for H beam mill to adjust roll gap and control the size accuracy of the finished product.

水平辊轴向移动是H型钢轧机进行辊缝调整、控制产品尺寸精度的重要方法，已广泛应用在H型钢轧机中，研究其结构及控制原理对于自主开发H型钢轧机具有重要意义。

In addition, the method of optimizing the surface curves of work roll and backup roll is provided to further improve strip crown and shape quality on the basis of optimal bending force pre-setup, and works out the crown value which the two cases can reach.

结果表明，与仅有弯辊力相比，辊型优化与弯辊配合不仅使成品板凸度大幅度降低，而且也大大降低了各架弯辊力设定值，是一条既经济又先进的热带钢连轧机技术改造之路。

The designing formula of roll shape with full contact complex curve has been obtained according to the principles associated with the conjugate geometrical relation between rolls and the billet in cross roll piercing for tubes.

本文介绍在钢管斜轧穿孔机中，利用轧辊和轧件存在着共轭几何关系的原则，导出全接触的复合曲线辊型的设计公式。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。