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1

Rolling bearing plays significant role in rotating machine, and it is also one of the easiest parts which will casue problem .

滚动轴承在旋转机械中起着重要作用，同时，也是机械零件中最容易发生故障的零部件之一。

2

Watching 3D movie will give audience a new refreshed vision experience . That will need more brain work and will casue headcahe easily

观看 3D 电影会给观众带来一种全新的视觉体验。他说：“这就需要更多的脑力劳动，容易引起头痛。”

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