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该文简述振动式密度计的密度检测器和密度转换器的工作原理，着重提出仪器安装时应注意的事项以及作者维修、应用该仪器的体会。
This paper describes the working principle of density densitometer and densitometer of vibrating densimeter, and puts emphasis on the matters that should be paid attention to when installing the instrument, as well as the author ’s maintenance and application of the instrument.