字典網>> 英漢字典>> B開頭詞條>>brown ring test的意思 漢英字典brown ring test中文翻譯：【化】 棕環試驗英文字典brown ring test相關詞條：brown Ointment Brown personality inventory test browning reaction brown bodies brown syrup brown mustard Browning's phenomenon Browning's vein Brown's dipping crackle sign brown mechanical pulp