求翻译：承包商依照产品返修率及在保内的产品预计，向服务供应商提供承包商各型号产品所对应的维修用备件是什么意思？

Contractor in accordance with product failure rates and insurance products within the expected contractors to service providers corresponding to the models with the spare parts service

Contractor rates, and in accordance with product returns within the insurance products are expected to provide service providers with contractors, the model of products corresponding to the spare parts for maintenance

The contractor estimated according to the product percentage of products sent back for repair and in the guaranteeing product that, provides the service to the service supplier which the contractor various models product corresponds to use the spare parts

Contractors in accordance with the products within a product repair rate and expects to service providers with the maintenance contractor models that used spare parts

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