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介绍了威力巴的测量原理和技术特点 ,指出了威力巴流量计在设计、安装、使用等方面中应注意的问题。在实际应用中取得了较好的效果
The author introduces the measuring principle and technical characteristics of Powerbar, and points out the problems that should be paid attention to in designing, installing, using and so on. In practical application has achieved good results