名词
中文翻译：机械替换
同义词：
['mechanical substitution', 'mechanical replacement']
例句：
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1. The old machine was replaced with a new one.
旧机器被一台新机器取代了。
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2. The team decided to replace the injured player with another.
团队决定用另一个受伤的球员替换他。
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3. The engineer made a mechanical replacement for the broken gear.
工程师为损坏的齿轮做了机械替换。