名词
中文翻译：死杠杆
同义词：
['dead handle', 'dead link']
例句：
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1.The old man was using a dead lever to open the door.
老人用一个死杠杆来开门。
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2.The car's steering wheel had become a dead lever.
车的方向盘已经变成了死把手。
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3. The engineer found a dead lever in the engine compartment.
工程师在引擎舱里发现了一个死把手。