Oil was not primarily a substitute fuel for electric power generation.
A: basically
B: chiefly
C: simply
A: basically
B: chiefly
C: simply
举一反三
- Oil was not primarily a (substitute) fuel for electric power generation. A: alternative B: replacement C: emergency
- In a parallel hybrid car, the fuel tanks upplies the fuel to the engine and the battery supplies the electric power to the electric motor．
- In the electric propulsion system, the power generation is often driven by____ A: the gas turbine B: the diesel engine C: A or B D: neither A or B
- (10分)This heater consumes _______________ that one does. A: greater twice electric power B: electric power twice as great as C: twice as great electric power as D: twice greater electric power
- The production process of thermal power plant is to convert () of fuel into electric energy. A: chemical energy B: heat energy C: mechanical energy D: kinetic energy