名词短语
中文翻译：备用零件
同义词：
['supplementary parts', 'spare parts']
例句：
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1. The car needs some spare parts to fix the engine.
这辆车需要一些备用零件来修理引擎。
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2. They ordered extra spare parts for their new car.
他们订购了额外的备用零件来他们的新车。
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3. The mechanic replaced the broken gear with a spare part from the workshop.
机械师用车间的备用部件替换了损坏的齿轮。