名词
中文翻译：生产寿命同义词
同义词：
['productive life', 'operational life']
例句：
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1. Thecompany's production life is expected tolast at least five years.
该公司的生产寿命预计至少为五年。
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2. The new machine hasa much longer productive life than the oldone.
这台新机器的生产效率比旧机器长得多。
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3. The research team foundthat the product had a significantly longer productivelife than expected.
研究团队发现，该产品的生产效率比预期的要高很多。