单项选择题
A.100~130g/L B.110~140g/L C.120~160g/L D.110~150g/L E.160~190g/L
A.100~130g/L B.100~150g/L C.120~160g/L D.110~150g/L E.160~180g/L
A.双凹圆盘状,大小相似B.平均直径7.2μmC.瑞氏染色后呈淡粉红色,中央约1/3为生理淡染区D.胞质内无异常结构E.胞核呈圆形,无核仁