33.單軸直軸佈局的推進軸系(Propulsion shafting system)之何種構件位於較前端?
(A)主機曲軸(Crank shaft)
(B)中間軸(Intermediate shaft)
(C)推進軸(Propeller shaft)
(D)推進器(Propeller)

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統計: A(243), B(25), C(32), D(29), E(0) #600751