Practice proves that using this design will reduce both operation cost and maintenance cost. This technology has popularizing significance in sewage treatment and water reclamation engineering.

实践证明：利用这种无重复灌水泵设计能解决离心泵的气缚现象，降低了运行及设备维修费用，此技术在废水处理和循环回收工程上具有推广意义。

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"Member states shall have equal rights to manage the internet, including in regard to the allotment, assignment and reclamation of internet numbering, naming, addressing and identification resources and to support for the operation and development of basic internet infrastructure, " it said in a document submitted on 17 November.

BBC: Google attacks UN's internet treaty conference