The linear motion of a diesel engine piston is converted to the rotary motion required to drive gears, propeller shafts, and generators by the （）.<br>A:flywheel<br>B:crankshaft<br>C:journal bearings<br>D:camshaft

The linear motion of a diesel engine piston is converted to the rotary motion required to drive gears, propeller shafts, and generators by the （）.
A:flywheel
B:crankshaft
C:journal bearings
D:camshaft

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