To reduce the weight of the reciprocating parts, pistons of high-speed engines a
2021-04-21
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
正确答案：C
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