You can then look over your credit rating and contact them if you discover something that is incorrect.
然后你可以看看你的信用评级和他们接触一下，如果你发现的东西就是不正确。
2
Hertz contact theory and dynamic load rating theory are used to study flexible bearing life assuming that the life is coincident with Weibull distribution.
On the single row angular contact bearings, radial load rating of bearing rings relative to each other purely radial displacement of the load of the radial component.