关于alums的百科

• alums造句怎么写

• "Themostimportantalumsarethoseofpotassiumsulfate(potassiumalum,orpotashalum,K2SO4*Al2(SO4)3*24H2O),ammoniumsulfate,andsodiumsulfate."Italsoplacesmoredesignersintheindustrythananyotherinstitution;alumsincludeheadsofdesignatdivisionsofToyota,GM,Nissa...
• 2018-03-0219024