单项选择题
气缸套和活塞环的正常磨损率分别不超过:()。
A.0.01mm/kh,0.1mm/kh
B.0.03mm/kh,0.05mm/kh
C.0.1mm/kh,0.3mm/kh
D.0.1mm/kh,0.5mm/kh
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单项选择题
A.0.01mm/kh,0.1mm/kh
B.0.03mm/kh,0.05mm/kh
C.0.1mm/kh,0.3mm/kh
D.0.1mm/kh,0.5mm/kh
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