乒乓球，再举一个例子，就是我们所关心的几乎所有的时间。
The table tennis, for another example, is what we care about almost all the time.
一举一动，你没有作出一个数字，一些新的球会出现。
Every move you haven't make a figure some new balls will appear.
完成了球塞气举试验装置的结构和控制系统设计。
This paper describes the design of the Pig lifting structure and its control system.
完成了球塞气举试验装置的结构和控制系统设计。
This paper describes the design of the Pig lifting structure and its control system.
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