The first internal-combustion engine to operate successfully on the four-stroke cycle used gas as the energy source and was built in ____ by Nicolaus August Otto, a self-taught German engineer at the Deutz factory near Cologne.
A. 1876
B. 1877
C. 1878
D. 1879
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The main components of an engine are _____, _____, _____, _____ and valves.
A. cylinder block
B. pistons
C. connecting rods
D. crankshaft
Today’s automotive engines can be classified in several ways depending on the following design features:____, _____, ____ and ____.
A. Operational cycles
B. Number of cylinders
Cylinder arrangement
D. Valvetrain type
Please match the following technical terms with the corresponding Chinese translation.
The commonly used specifications of an engine are the size, compression ratio, torque and power of an engine.
A. 对
B. 错