单项选择题
一只刻度均匀的1.0级直流电压表,假设其额定值是150V,则150V刻度上真值应处于范围为()
A.148.5~149.5V
B.148.5~151.5V
C.149~151.5V
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单项选择题
A.148.5~149.5V
B.148.5~151.5V
C.149~151.5V
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