题目内容
(请给出正确答案)
[单选题]
整体式压缩机组动力活塞环的开口间隙要求为()
A.0.69~0.84mm
B.1.70~1.93mm
C.2.92~3.43mm
D.3.86~4.09mm
答案
C、2.92~3.43mm
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A.0.69~0.84mm
B.1.70~1.93mm
C.2.92~3.43mm
D.3.86~4.09mm
C、2.92~3.43mm
A.曲轴箱、新鲜空气
B.缸盖、新鲜空气
C.曲轴箱、空燃混合气
D.缸盖、空燃混合气