题目内容
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[单选题]
凸轮轴承外侧与机体凸轮轴孔内径过盈量为()。
A.0.06~0.10mm
B.0.12~0.35mm
C.0.5~1.0mm
D.0.22~0.45mm
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A.0.06~0.10mm
B.0.12~0.35mm
C.0.5~1.0mm
D.0.22~0.45mm
A.120.037-120.059,0.04-0.09
B.120.020-120.059,0.04-0.09
C.120.037-120.059,0.01-0.04
D.120.020-120.059,0.01-0.04
A.清管及试压长度以35km为宜
B.清管球过盈量应为管内径的5%~8%
C.清管时压力一般在0.1~0.5MPa
D.清管器清扫污物时速度应控制在4~5km/h