... Monitoring Or Measuring Devices 监视和测量装置 Voltage Measuring Devices 电压测量仪表 Hydraulic Conductivity Measuring Devices 非饱和导水率测量系统 ...
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在实际使用电压表、电流表测量电压、电流时，因测量仪表的内阻会产生一定的测量误差。
When the electric voltage and current are measured with voltmeter and ammeter, certain measuring errors could occur due to the inherent resistance.
万用表是一种常用的测量仪表，但使用不当，特别是误用电流档去测量电压时很容易烧毁保险甚至损坏万用表。
Mulitimeter is used widely. But in the case of error operation, especially when using electricity to measure voltage , it is damaged easyly.
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