“potash alum”可以造什么句,potash alum造句

来源:语文精选馆 2.98W
potash alum造句

"The most important alums are those of potassium sulfate (potassium alum, or potash alum, K2SO4*Al2(SO4)3*24H2O), ammonium sulfate, and sodium sulfate."

热门标签