A.潤滑 B.冷卻 C.進(jìn)氣 D.排氣
A.0.026~0.037MPa B.0.03~0.035MPa C.0.01~0.02MPa D.0.025~0.035MPa
A.30~40℃ B.40~50℃ C.60~70℃ D.80~90℃