题目内容
(请给出正确答案)
[单选题]
真空表表头的量程为()。
A.20-100kPa
B.30-90kPa
C.30-50kPa
D.0-101.325kPa
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A.20-100kPa
B.30-90kPa
C.30-50kPa
D.0-101.325kPa
A.量程为0~400mV,0.2级毫伏表
B.量程为0~400mV,0.1级毫伏表
C.量程为0~200mV,0.1,级毫伏表
D.量程为0~200mV,0.2级毫伏表
A.84kPa
B.50kPa
C.71.2kPa
D.25kPa