scroll cover的意思|示意

I can see the sky cover up things, such as our Milky Way, I can also scroll the mouse closer to the camera from afar, is a formation of the Galaxy.

我可以看到天上覆盖最多的东西，比如我们的银河系，我也可以滚动鼠标，拉近镜头看到远方一个正在形成中的银河。

The main failure form of pulping scroll cover is high stress grinding abrasion accompanying corrosive abrasion.

磨浆段螺旋套主要的失效形式为高应力磨料磨损，同时伴有腐蚀磨损。