composition bearing的意思|示意

The performance requirement, composition of spindle unit and the rigidity calculation of spindle bearing and unit for CNC30 nc lathe are discussed in this paper.

介绍CNC30数控车床主轴组件的性能要求和组成，以及主轴轴承、主轴组件的刚度计算。

More generally, however, whether or not a composition establishes a new principle in the history of music has little bearing on its aesthetic worth.

然而，更笼统地说，一首曲子是否在音乐史上确立了一个新的原则，与它的审美价值关系不大。

The composition, working principle and control arithmetic of a high - speed aviation engine clutch bearing test machine is introduced.

介绍了一种高速发动机离合器轴承试验机测控系统的组成、工作原理和控制算法。