densitometer例句

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.

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.

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.