50. 主機操控系統中,決定主機轉動方向之機構,為下列何者?
(A)REVERSING
CRANKSHAFT
(B)STARTING CONTROL VALVE
(C)REVERSING HANDLE
(D)REVERSING VALVE
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統計: A(13), B(14), C(14), D(49), E(0) #2711732
統計: A(13), B(14), C(14), D(49), E(0) #2711732