rotating ring造句

例句与造句

1. To obtain satisfying performance , the sea1 end faces of rotating ring and static ring of the mechanica1 seal must keep para11e1 or approximately paral1e1 each other
   欲使密封具有良好的性能，则必须做到受载后的动、静环密封端面间保持平行或近似平行的几何形状。
2. It's difficult to find rotating ring in a sentence. 用rotating ring造句挺难的