问题
单项选择题
电动潜油泵井调整过欠载值时，要缓慢操作，边调整、边观察显示值，直到显示为所需要的（）值为止。
A、过载
B、欠载
C、电流
D、电压
答案
参考答案：C
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电动潜油泵井调整过欠载值时，要缓慢操作，边调整、边观察显示值，直到显示为所需要的（）值为止。
A、过载
B、欠载
C、电流
D、电压
参考答案：C
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| Dear Tony, Thanks 1 me the school last week. I was having a hard time 2 it until you came along. And I 3 meeting Carlos. He's really good at math, isn't he? He said he 4 help with my math project. Friends like you make it 5 easier to get along in a new place. Bill | ||||
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