单选题Connecting rods in a diesel engine are used to connect the （）.Aengine to the bedBrocker arm to the camshaftCcrankshaft to the gear trainDpiston to the crankshaft
单选题
Connecting rods in a diesel engine are used to connect the （）.
A
engine to the bed
B
rocker arm to the camshaft
C
crankshaft to the gear train
D
piston to the crankshaft
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