阿摩線上測驗
33. ________ is desirable to improve the comfort of passengers and crew aboard.
(A) Ship stabilization
(B) Engine operation
(C) Ship structure
(D) Engine Controllability
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統計： A(608), B(79), C(87), D(85), E(0) #3211358
統計： A(608), B(79), C(87), D(85), E(0) #3211358
