阿摩線上測驗
34.What are the general considerations during the development of ship propulsion system? ①propulsive power requirement ②rotating direction of propeller ③main shafting system ④selection of propulsion engine
(A)①②③
(B)②③④
(C)①③④
(D)①②④
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統計： A(150), B(72), C(375), D(85), E(0) #752003
統計： A(150), B(72), C(375), D(85), E(0) #752003
