当发动机怠速运转时,机油压力低于49kPa,高速时,机油压力低于(),称为发动机机油

题型:单项选择题

问题:

当发动机怠速运转时,机油压力低于49kPa,高速时,机油压力低于(),称为发动机机油压力过低(偏低)。

A.49kPa

B.98kPa

C.196kPa

D.294kPa

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