名词
中文翻译：剩余电流
同义词：
['residual current', 'residual current', 'residual current']
例句：
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1. The electrical equipment in the factory has a residual current of 20 milliamps.
工厂里的电气设备有20毫安的剩余电流。
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2.The residual current is measured to ensure that the circuit is safe.
测量剩余电流以确保电路安全。
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3. The residual current measurement is important for preventing electrocution.
剩余电流测量对于预防触电非常重要。