名词
中文翻译：手动电路
同义词：
['mechanical circuit', 'manual switch例句：1. The manual circuit in the car is faulty and needs to be replaced.（汽车的手动电路有故障，需要更换。）']
例句：
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1. The manual circuit in the car is faulty and needs to be replaced.
汽车的手动电路有故障，需要更换。
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2.The manual switch on the door controls the light.
门上的手动开关控制着灯。
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3. The manual switch was used by the old man to turn off the lights.
老人用手动开关来关灯。