Automobile Engineering in ME
The major purpose of an electronically controlled automatic transmission is that this type of transmission

Eliminates the gear shaft lever
Reduces shift shock and achieves more efficient transmission of engine torque
Eliminates gear clutches
Reduces the number of automatic transmission components

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Automobile Engineering in ME
The purpose of a balancer shaft is to

Increase inertia force of the rotating crankshaft
Adjusts the timing of the intake and exhaust valve openings
Reduce vibrations caused by the crankshaft rotation
Balance the timing in the movement of the two groups of pistons

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