ball spinning

常见例句

I could see the ball spinning as it came towards me.
当那球飞来时我可以看到球在旋转。
As a successively and locally plastic deformation process, ball spinning is applied for the purpose of manufacturing thin-walled tubular parts of aluminum alloy.
作为一种连续局部塑性成形工艺，滚珠旋压被应用于制造铝合金薄壁筒形件。
The basic principle with respect to ball spinning is introduced, and based on plastic mechanics, the influence of mechanical parameters on formability of spun parts is analyzed.
介绍了滚珠旋压的基本原理，以塑性力学为基础，分析力学参数对旋压件成形性的影响。

If you've ever been using some program, you did something completely innocuous, pull something down from a menu, click a button, you didn't do anything wrong and yet all of a sudden the thing just starts hanging there or you get a little spinning beach ball or the hour glass or whatever it is.
如果你之前在用一些程序，做一些无伤大雅的事情，拉下一个菜单，点击一个按钮，你没有做任何错误的事情,突然间有东西开始一直运行,或者一个沙滩上的小球旋转,或滴漏或是别的什么。
哈佛公开课 - 计算机科学课程节选