短語詞組短語digital computing densitometer 數(shù)字計算式密度計digital reflection densitometer 數(shù)自式光密度計digital transmission densitometer 數(shù)字式透射密度計dcd digital computing densitometer 數(shù)字計算式密度計reflection digital densitometer 反射式數(shù)顯密度計 返回 digital densitometer