2    ______allows    the prime  movers  to be mounted   in such  a way that  the vibration   transmitted    to the seatings,   and hence  to the water  or passenger-   accommodation,     is minimized.    
(A)    Shafted transmission    
(B)    Electric transmission    
(C)    Belted transmission    
(D)    Coupling transmission    

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統計： A(0), B(0), C(1), D(0), E(0) #3999768