A.2~4g/L B.2~5g/L C.2~3g/L D.3~4g/L E.1~3g/L
A.收縮反應(yīng)增強 B.血小板被激活 C.促止血物質(zhì)釋放增多 D.局部血粘度降低 E.啟動凝血過程