名词中文翻译
中文翻译：主回路
同义词：
['main circuit', 'main path', 'primary loop例句：1. The engineer designed a main closed loop to improve the efficiency of the machine.（工程师设计了一个主回路来提高机器的效率。）2. In the main closed loop', 'the temperature is controlled to maintain a constant level.（在主回路中，温度被控制以保持恒定水平。）']
例句：
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1. The engineer designed a main closed loop to improve the efficiency of the machine.
工程师设计了一个主回路来提高机器的效率。
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2. In the main closed loop, the temperature is controlled to maintain a constant level.
在主回路中，温度被控制以保持恒定水平。
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3. The main closed loop was used to monitor the flow of water in the pipeline.
主回路被用来监测管道中水流的流动情况。