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单项选择题短接测试校准频次为(),电流值范围为()

A、4小时/次,0.030-0.036mA

B、6小时/次,0.030-0.036mA

C、3小时/次,0.03500.036mA

D、6小时/次,0.035-0.036mA

  • B
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