名词中文翻译
中文翻译：被包围的齿轮
同义词：
['enclosed gear', 'enclosed machinery']
例句：
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1.The old car was completely encased in rust.
这辆旧车完全被锈包围了。
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2. The engineer designed a new encased gear to improve efficiency.
工程师设计了一种新型的被包围的齿轮，以提高效率。
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3. The construction workers were encased in concrete as they worked on the foundation.
建筑工人在施工时被混凝土包围着。