225.正常的空氣中氧分壓為多少 mmHg?
(A)40
(B)95
(C)116
(D)159
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統計: A(16), B(30), C(31), D(122), E(0) #2631562
統計: A(16), B(30), C(31), D(122), E(0) #2631562