名词
中文翻译：升降架
同义词：
['lifting frame', 'lifting mechanism']
例句：
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1.The lift is not working properly, causing the elevator to be unable to reach the top floor.
电梯不工作正常，使电梯无法到达顶层。
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2. The engineers are installing a new lifting rack to improve efficiency.
工程师们正在安装一个新的提升机架以提高效率。
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3. The construction site had to temporarily suspend work due to the lifting rack being damaged during the storm.
由于提升机架在暴风雨中受损，施工现场不得不暂时停工。