名词
中文翻译：正常闭合电路
同义词：
['normal circuit', 'normal loop']
例句：
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1.The normally closed circuit was broken by a faulty wiring.
一个故障的电线使得正常闭合电路断开。
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2. In the normal operation of the circuit, the current flows in one direction.
在电路的正常运作中，电流只能单向流动。
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3. The engineer found that the normally closed circuit was not functioning properly.
工程师发现，正常闭合电路没有正常工作。