观察血液的时候老师把抗凝剂加进装有鸡血的试管静置一段时间后�现血液出现了分层现象其中白色的很薄的一层是a.红细胞b.血浆c.白细胞d Template




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tomski观察血液的时候老师把抗凝剂加进装有鸡血的试管静置一段时间后�现血液出现了分层现象其中白色的很薄的一层是a.红细胞b.血浆c.白细胞d coloring