[名词解释] 灰棕漠土

()又称“鸟粪土”。 ["A．紫色土","B．石质土","C．粗骨土","D．磷质石灰土"] 醋酸纤维薄膜电泳时，属于γ区带的血浆蛋白质有() ["A．IgA","B．IgG","C．IgM","D．CRP","E．C4"] 灰漠土 棕漠土 醋酸纤维薄膜电泳时，位于α区带的血浆蛋白质有() ["A．Hp","B．α2-MG","C．Cp","D．AFP","E．TRF"] 灰棕漠土