pttpBNC²³⁶²¹³⁺¹ 基本例句 =post-transfusion thrombocytopenic purpura 输血后血小板减少性紫癜 Through one step method of neutralizing and polymerizing, the PTTP is prepared from both super phosphoric acid and potassium carbonate raw materials. 以过磷酸和碳酸钾为原料,经中和、聚合一步法制备三聚磷酸钾。 cnki