相关alums的文学知识

alums造句

alums造句

"Themostimportantalumsarethoseofpotassiumsulfate(potassiumalum,orpotashalum,K2SO4*Al2(SO4)3*24H2O),ammoniumsulfate,andsodiumsulfate."Italsoplacesmoredesignersintheindustrythananyotherinstitution;alu...