file:///C:/Documents%20and%20Settings/Administrator/Application%20Data/Tencent/Users/94508432/QQ/WinTemp/RichOle/%7B%7B9Z_PV6VB%7BR%25]SVDSA5A7U.jpg
The bearings are rigidly supported, and viscous damping act s to oppose absolute motions of the
disk.对于刚支是简化的,是支承相对于轴来说可假设为刚支,阻尼力不计