alums的精选

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用“alums”造句大全，alums造句

用“alums”造句大全，alums造句

2018-03-02
"Themostimportantalumsarethoseofpotassiumsulfate(potassiumalum,orpotashalum,K2SO4*Al2(SO4)3*24H2O),ammoniumsulfate,andsodiumsulfate."Italsoplacesmoredesignersintheindustrythananyotherinstitution;alu...