25.在 1 大氣壓(760 mmHg)下吸氣,此時咽氣管開口端之氮氣分壓最接近多少mmHg?
(A)0.25
(B)47
(C)160
(D)560
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統計: A(98), B(209), C(351), D(1143), E(0) #1152234
統計: A(98), B(209), C(351), D(1143), E(0) #1152234