18.整個肺微血管網展開的面積約為多少?
(A)10 m2
(B)30 m2
(C)70 m2
(D)150 m2
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統計: A(4), B(4), C(332), D(87), E(0) #1838566
統計: A(4), B(4), C(332), D(87), E(0) #1838566