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1·The pipelines with circular section are used widely in the practical engineering.

圆形断面管道在工程中的应用十分广泛。

2·For the with non circular section rolling wheel is adopted in impact roller, a new work method is made.

冲击压路机由于采用了异形截面工作轮，使这种压路机有了新颖的作业方式。

3·The study of the flow of power-law fluid in a helical pipe with circular section with perturbation method.

采用摄动方法研究了圆截面螺旋管道内幂律流体的流动。

4·The flow of power-law fluid in a helical pipe with circular section has been studied using perturbation method.

采用摄动方法研究了圆截面螺旋管道内幂律流体的流动。

5·The study of the flow of power-law fluid in a helical pipe with circular section with numerical method (finite volume method).

采用有限容积法研究了圆截面螺旋管道内幂律流体的流动。

6·The CNC system used in non-circular section turning lathes has increased the quality of the machining with the efficiency increased by 30%.

该数控系统在非圆截面零件车床中得到了应用。 非圆零件车削加工效率约提高了30%，加工质量也得到提高。

7·This can calculate the accurate size of the blank be used in the expanding of circular section workpiece with discretional curve as its axes.

同时这种方法也可应用于任意曲线轴线的圆截面工件的毛坯展开中。

8·Many experiments proved that the theory and program of this article are correct, and it is a good way to solve filled up pipe of circular section.

通过大量的实验证明本文的研究方法及程序较好的模拟了弧形封闭管道的紊流速度分布情况，为下一步研究淤积管道的解决方法提供了理论依据。

9·The research focused on the coordinated control between the general CNC module and the linear servo system used for the non-circular section turning.

采用多中断系统来实现两种不同的伺服控制——直线伺服控制和位置伺服控制的时序协调，以完成非圆截面的自动车削；

10·The circular section concrete-filled steel tube structures have good performance because of uniform restraint of concrete provided by circular steel tube.

圆形截面钢管混凝土结构因为圆钢管对核心混凝土均匀的“约束”而具有良好的性能。