题目内容
胸蹊腔内压说法,恰当的是()
2021-11-30
A.只有吸气时低于大气压
B.呼气时高于大气压
C.呼气初胸内压绝对值高于吸气末
D.吸气时和呼气时均等于大气压
E.平静的吸气与呼气过程中均低于大气压
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