n.光密度計(jì)；比重計(jì)；密度計(jì)
Why doesn't a densitometer always vouch for the quality of colors? 為何光密度計(jì)不總能保證色 彩品質(zhì)?
Mass flow information can be secured by using a densitometer. 質(zhì)量流量的數(shù)據(jù)可借助于密度計(jì)而獲得。
n.顯微光密度計(jì)
