The paper introduces the principle of frequency converter, frequency project of base water-feeding system and the selection of frequency technology.
介绍变频器工作原理、基地供水系统变频项目以及变频工艺的选择。
Exposition has been made of the test and data analysis conducted for a new water feeding system designed for group hydraulic dynamometers.
本文论述了水力测功机群供水新系统的试验及数据分析结果。
This system could be widely used for industry and water feeding in people's life.
可广泛地用于民用及工业供水系统。
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