manganese brown 中文意思是什麼
manganese brown
解釋
一碳化三錳-
Manganese dust in the extremely hot air of the valley, covers the rocks over the centuries and colors them dark brown
錳元素在山谷極端地熱的空氣下變成灰塵,覆蓋在巖石上有數個世紀之久,然後變成了茶褐色。 -
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
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