题目内容

The cylinders and pistons are in the upper part of the cylinder block and the crankshaft is in the lower part.

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The engine is the source of power that provides the torque or turning force which is used to drive the vehicle.

A Water-cooled engine uses a liquid coolant as the medium to remove heat from the engine.

The cylinder block is the largest part of the engine.

The piston pin connects the piston to the connecting rod.