密度计的例句（密度计在句子中的用法）

• Densitometer is an apparatus used for measuring photosensitivity of films. 光学密度计是一种测量胶片感光性能的专用仪器.
• The zero point of the density scale is defined by having no specimen in the densitometer. 定义密度计内设有样品时的密度为密度尺标的零点.
• Mass flow information can be secured by using a densitometer. 质量流量的数据可借助于密度计而获得.
• Reliability is poor and precision is not high while using traditional differential pressure densimeter. 传统的泥浆池差压式密度计可靠性差,精度不高.