名词
中文翻译：正常失效期同义词
同义词：
['normal lifespan', 'normal life cycle', "normal service life例句：1. The product hasa normal failure period of five years.（该产品的正常失效期为五年。）2. Thebattery's normal failureperiod is expected to be aroundthree years.（电池的正常失效期预计约为三年。）3. The manufacturer guarantees the productfor its normal failure period.（制造商保证产品在其正常失效期内。）"]
例句：
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1. The product hasa normal failure period of five years.
该产品的正常失效期为五年。
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2. Thebattery's normal failureperiod is expected to be aroundthree years.
电池的正常失效期预计约为三年。
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3. The manufacturer guarantees the productfor its normal failure period.
制造商保证产品在其正常失效期内。