A ball bearing had bounced off the submarine's hull.
潜艇船身上崩掉了一个滚珠轴承。
In this tutorial, you will learn how to create a ball bearing using an Array Object.
在本教程中,您将学习如何创建一个使用数组对象的球轴承。
Pilot bearing in crankshaft. The pilot bearing in the crankshaft is usually either a Bushing or a Ball bearing.
曲轴上的导向轴承:曲轴上的导向轴承一般或者是轴瓦,或者是球轴承。
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