upu

The paper discussed orientation workspace of 3 UPU parallel manipulators with pure spherical motion and symmetric geometry.

详细讨论了纯转动型3-UPU并联机构的工作空间.

The establishing of UPU plays an active role in promoting the postal communication among countries.

摘要万国邮联的成立对促进各国间的邮政通讯联系起了积极作用.

She is the first female rural postal worker to take the stage at a meeting of the UPU.

她是第一个登上万国邮政联盟讲台的乡村女邮递员。

The suitable content of UPU were determined by the testing of impact resistance, hardness and HDT of the cured resins toughened with UPU.

根据UPU增韧聚酯的落重冲击能和热变形温度等力学性能的测试，初步确定了适宜胶种的合成条件及其用量。

Taking "customers and credit first" as its sole operation principle, UPU provides the customers with the best quality products and services.

公司秉承“顾客至上，诚信为本”的经营理念，为广大客户提供优质的产品及服务。