Keywords: Reduced flow rectifier flow measurement I. Overview Traditional flow rectifiers have matured after long-term research and practice. They generally use barriers to separate flow channels to adjust the velocity distribution in the pipeline to achieve the purpose of rectification; Rectif…
Recently, this reporter learned that a farmer in Daming County, Hebei Province, carefully studied on his own, invented an energy-saving deep-water relay submersible pump . This reporter went to the local interview to understand the situatio…