名词短语
中文翻译：关闭的替代物
同义词：
['closed alternative', 'closed substitute']
例句：
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1.The company has decided to replace the old computer with a new one.
公司决定用一台新的电脑替换旧的。
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2. The engineer used a closed replacement to fix the leaky pipe.
工程师使用一个封闭的替代品来修理漏水的管道。
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3. The team replaced the damaged equipment with a closed replacement before the game started.
在比赛开始前，团队用一个封闭的替代品替换了损坏的设备。