题目内容
诊断胎儿窘迫的胎儿头皮血pH应为（ ）
2021-10-13
A.<7. 25
B.7. 25〜7. 29
C.7. 30〜7. 34
D.7. 35〜7. 39
E.7. 40〜7. 44
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