58.使用 metered-dose inhaler,如在吸氣末閉氣,可增加氣霧?子以何種方式在呼吸道內降 沉?
(A)inertial impaction
(B)sedimentation
(C)diffusion
(D)Brownian movement

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統計: A(23), B(117), C(19), D(25), E(0) #1046517