名词短语中文翻译
中文翻译：电视主电源保持电路
同义词：
['television mains', 'television powersupply', 'television mains circuit例句：1. The television was notworking properly because the mains had beendisconnected.（电视机不工作是因为主电源线被断开了。）2. The technician replaced the mains and held the circuit together with wirenuts.（技术人员更换了主电源，并用线螺母将电路固定在一起。）']
例句：
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1. The television was notworking properly because the mains had beendisconnected.
电视机不工作是因为主电源线被断开了。
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2. The technician replaced the mains and held the circuit together with wirenuts.
技术人员更换了主电源，并用线螺母将电路固定在一起。
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3. Mains testingis essential for ensuring the safety of electronicequipment.
对主电源进行测试对于确保电子设备的安全至关重要。