名词
中文翻译：备用设施
同义词：
['standby equipment', 'backup facility']
例句：
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1.The hospital has a stand-by facility for treating patients in emergencies.
医院有一个备用设施，用于处理紧急情况的患者。
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2.The company has a stand-by facility for storing emergency supplies.
公司有一个备用设施，用于储存紧急物资。
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3. The engineers have a stand-by facility for testing the new machine before it is put into use.
工程师们有一个备用设施，用于在机器投入使用前进行测试。