31. The most important engine parameters to account for the fuel economy of the engine is
the _____.
(A) General Heavy Oil Consumption
(B) Specific Fuel Oil Consumption
(C) General Oil Consumption
(D) Specific Oil Consumption
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統計: A(240), B(800), C(112), D(86), E(0) #2647918
統計: A(240), B(800), C(112), D(86), E(0) #2647918