名词
中文翻译：下降机制
同义词：
['lowering device', 'lowering system']
例句：
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1. The elevator's lowering mechanism is not functioning properly.
电梯的下降机制工作不正常。
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2. The car's lowering mechanism has been adjusted to improve its performance.
汽车的下降机制已被调整以提高其性能。
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3. The lowering mechanism of the bridge was designed to withstand heavy loads.
桥梁的下降机制被设计来承受重负载。