用“potash alum”造句大全，potash alum造句
"Themostimportantalumsarethoseofpotassiumsulfate(potassiumalum,orpotashalum,K2SO4*Al2(SO4)3*24H2O),ammoniumsulfate,andsodiumsulfate."...
用“potash feldspar”造句大全，potash feldspar造句
Colorisanimportantindicatortoidentifypotashfeldspar.Studyonthereactivesystemofconsistingofpotashfeldspar-phosphaterock-hydrochloricacidTheeffectofinorganicaidsonthedecompositiontemperatureofsystemcons...