Theessentialpartofthedieselengine,whosefunctionistoconverttheheatenergyintothemechanicalpower,isthe（）.
A: crankshaft
B: piston
C: connectingrod
D: bearing
A: crankshaft
B: piston
C: connectingrod
D: bearing
举一反三
- The _______ is the heart of an automboile. A: piston B: engine C: crankshaft D: valve
- The camshaft is drived by( ) A: crankshaft B: flywheel C: clutch D: piston
- The _________ is called the "backbone" of the engine. A: camshaft B: crankshaft C: bearing D: cylinder
- Which term describes piston pins having bearing surfaces in both the piston bosses and connecting rod eye?（）
- In a four-stroke engine, the cycle of events is completed in four<br/>strokes of(()) A: the cylinder B: the crankshaft C: the piston D: the crosshead