名词短语
中文翻译：零件库存
同义词：
['parts inventory', 'spare parts stock', 'repair parts stock']
例句：
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1. The company maintains a large parts inventory to ensure timely repairs for its customers.
该公司维护着大量的零件库存，以确保其客户能够及时得到维修。
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2.The mechanics had to wait for the parts stock to replenish before they could start fixing the car.
机械师们不得不等待零件库存补充完毕才能开始修理汽车。
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3. The manufacturer is constantly updating their parts stock to stay ahead of the competition.
制造商不断更新零件库存以保持竞争力。