8.在观察血液的组成实验中血液加入抗凝剂出现分层现象中间一层薄薄的白色物质是 A.血浆b.白细胞c.红细胞和血小板d.白细胞和血小板 Template




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tomski8.在观察血液的组成实验中血液加入抗凝剂出现分层现象中间一层薄薄的白色物质是 a.血浆b.白细胞c.红细胞和血小板d.白细胞和血小板 coloring