The second grade stancard densitometers are the most ideal meters for the job-deternining the density of liquids-in the laboratories of scientific research institute.
对研究室、化验室在测定液体密度时，使用二等标准密度计较为相宜。
The X-Rite product line began with densitometers and sensitometers used to measure optical or photographic density and to expose photographic films to a standard reference.
爱色丽产品线最初的产品包括光密度仪和感光计，可用来测量光或照相密度并按参比标准对菲林进行曝光。
Being simple, stable and accurate, the vibration type densitometers have been widely used in industrial processes for on line measurements of different kinds of samples and a wide range of density.
振动式密度计以其结构简单、能稳定、确度高、量密度范围宽且样品种类广等特点，成为工业过程中最常用的一种在线密度计。
Being simple, stable and accurate, the vibration type densitometers have been widely used in industrial processes for on line measurements of different kinds of samples and a wide range of density.
振动式密度计以其结构简单、能稳定、确度高、量密度范围宽且样品种类广等特点，成为工业过程中最常用的一种在线密度计。
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