求翻译：结合600MW机组循环水泵双速改造、1000MW机组循环水泵超设计电流问题研究等项目，开展循环水泵特性试验，促成1000MW机组实施循环水泵叶轮车削等技术改进是什么意思？

600MW units with two-speed circulating pump transformation, 1000MW ultra-circulating pump unit designed to current issues and research projects, carry out test characteristics of circulating pump, circulating pump to promote the implementation of 1000MW unit impeller turning technology to improve

[object Object]

Unifies the 600MW unit circulating water pump two speed transformation, projects and so on 1000MW unit circulating water pump ultra design electric current question research, the development circulating water pump characteristics test, facilitates the 1000MW unit to implement technical changes and s

600MW units with circulating water pump reconstruction, 1000MW units of two speed circulating pump ultra design current research projects, circulating pump characteristic test, 1000MW units implement circulation water pump impeller turning technology improvement

600MW unit with two-speed modification of circulating water pump, 1000MW ultra design of circulating water pump of unit current research and other projects, circulating pump characteristic test, 1000MW units implementing circular water pump impeller turning technology improvement