某种病菌感染人体并侵入细胞后机体可以对该靶细胞产生免疫反应其中有 A.效应b细胞接触靶细胞导致靶细胞裂解从而使病菌抗原被白细胞介 Template




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tomski某种病菌感染人体并侵入细胞后机体可以对该靶细胞产生免疫反应其中有 a.效应b细胞接触靶细胞导致靶细胞裂解从而使病菌抗原被白细胞介 coloring