题目内容
(请给出正确答案)
提问人:网友slzylh
发布时间:2022-01-07
[主观题]
根据以下条件描根据以下条件描述故障想象,说出故障检测和排除过程并描述出故障点。 1。接通电源,电源指示灯不亮,所有控制功能均失效; 2。冷却泵电动机缺一相; 3。主轴电动机不能起动
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A.错误检测
B.故障排除
C.调试
D.测试
A.只有甲正确
B.只有乙正确
C.两人均正确
D.两人均不正确
B.A sampling method which involves having a constant sampling interval, the starting point for testing is determined randomly.
C.A sampling method in which the auditor selects a block of contiguous items from within the population.
D.Testing items with a certain characteristiC.
B.Ⅰ、Ⅳ、Ⅵ
C.Ⅰ、Ⅱ、Ⅳ、Ⅴ、Ⅵ
D.Ⅰ、Ⅱ、Ⅳ、Ⅵ
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