求翻译：如因质量问题或故障，凭厂商维修中心或特约维修点的质量检测证明，享受7日内退货，15日内换货，15日以上在质保期内享受免费保修等三包服务！是什么意思？

Due to quality problems or failure, by the quality inspection of the manufacturers service center or authorized service point to prove, to enjoy the return within 7 days within 15 days replacement warranty period more than 15 days to enjoy free warranty Warranty Services

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If because of the quality question or the breakdown, depending on the manufacturer service center or the special maintenance point quality examination proof, enjoys in 7th to return goods, in 15th exchanges goods, above 15th guarantees in the time in the nature to enjoy the free maintenance and so o

As a result of quality problems or failure, with manufacturer's repair center or special maintenance points test to prove the quality of and enjoy the returns in the 7th, 15th replacement, above 15th enjoy free warranty during the warranty period, three packs of service!

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