正确答案: C
油石
题目:当气缸套工作表面有轻微的拉痕或磨痕时,应使用()进行打磨予以消除。
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学习资料的答案和解析:
[单选题]()是与产品的可靠性和维修性有关的综合性指标。
有效性
[单选题]故障率λ(t)是针对到时刻t尚能正常工作的产品数而言的;().Ⅱ.密度函数f(t)是针对开始时刻的产品数而言的
Ⅰ,Ⅱ都对
[单选题]保证增压器转子受热膨胀不会产生压气机叶轮与气封板碰撞的间隙是()值。
M
[单选题]水润滑式艉轴工作轴颈包覆(),非工作轴颈包覆()。
铜套/玻璃钢
[单选题]Here some oil in the oily water separator, as a result of its lower (), will separate and rise into the oil collection space.
density
[单选题]The high pressure in fuel injection system of the diesel engine is produced by the ().
injector pump
[单选题]These piston rings are so badly worn that they must be ().
renewed
[单选题]Turbocharging system may be designed to operate on either the () or the constant pressure exhaust system.
pulse