28.正常成人吸氣週期中,肺泡壓最大可改變至多少cm H2O?
(A)–5
(B)5
(C)1
(D)–1
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統計: A(115), B(79), C(58), D(175), E(0) #1742517
統計: A(115), B(79), C(58), D(175), E(0) #1742517