名词
中文翻译：Unknown
同义词：
['removable components', 'replaceable parts', 'replaceable elements']
例句：
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1. The car has several replaceable units that can be replaced when they wear out.
这辆车有几个可替换的部件，当它们磨损时可以更换。
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2.In the construction industry, replaceable units are often used to make repairs quickly and efficiently.
在建筑行业，可替换单元通常用于快速而有效地进行修理。
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3. The engineer designed a system that could easily replaceable units with new ones.
工程师设计了一个系统，可以轻松地用新的可替换单元替换旧的。