To reduce the weight of the reciprocating parts, pistons of high-speed engines are made considerably shorterThis results in （）<br>A:less piston slap and quieter running<br>B:increased crankshaft bearing wear<br>C:slightly greater piston wear<br>D:decreased side pressures

To reduce the weight of the reciprocating parts, pistons of high-speed engines are made considerably shorterThis results in （）
A:less piston slap and quieter running
B:increased crankshaft bearing wear
C:slightly greater piston wear
D:decreased side pressures

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