brown pigments 中文意思是什麼
brown pigments
解釋
褐色素-
Standard specification for natural red and brown iron oxide pigments
天然紅氧化鐵和棕氧化鐵顏料的標準規范 -
Test methods for chemical analysis of yellow, orange, red and brown pigments containing iron and manganese
含鐵和錳的黃色橙色紅色和褐色塗料的化學分析試驗方法
分享友人