grey cotton fabric是什么意思

用法例句

Based on the analysis of spectrum,density and color characteristic of screen primitive color printing ink,the tentative plan and basis of screen printing primitive color pigment was put forward and the yellow ink was taken as example to illustrate the selection of pigment.

通过对丝印三原色油墨光谱特性、密度特性以及颜色特性的分析,提出了丝印原色颜料选择的设想和依据,并以黄墨为例进行颜料选择。