24.What devices are used to support the shafting in essentially a straight line between the main propulsion engine and the desired location of the propeller?
(A)Flange couplings
(B)Reduction gears
(C)Clutches
(D)Bearings

答案：登入後查看
統計： A(2), B(11), C(12), D(61), E(0) #1192778