求翻译：9．质量保证期为从买方签发货物最终验收证书之日起三十六（36）个月。开关柜及所有内部元器件应在规定的工况下连续运行，满负荷连续运行时间不低于 40000小时，使用寿命不得低于25年。是什么意思？

9. Quality assurance of the final date of acceptance certificate issued from the buyer of goods from the 36 (36) months. Switchgear and all internal components in the specified operating conditions of continuous operation at full capacity for no less than 40,000 hours of continuous operation, the li

9.Quality Assurance for goods from the buyer's final acceptance certificate issued on the 36 (36) months. Switch cabinets and all internal components should be in the running for the performance, and full-load continuous run time is not less than 40,000 hours, life shall not be less than 25 years.

9. quality maintenances for finally approve from the buyer signing and issuing cargo date of the certificate 36 (36) month.The switch cabinet and all internal primary device should under the stipulation operating mode the continuous running, the full load continuous running time not be lower than fo

9. The quality guarantee period is from the date of issue of certificate of final acceptance of the goods from the buyer (36) months. Switch cabinet and all internal components should be provided in conditions of continuous running, no less than 40,000 hours continuous run time at full capacity, ser

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