求翻译：卖方及时提供满足工程初步设计及施工图各设计阶段的资料和图纸。卖方提供的满足工程各设计阶段的资料和图纸为每台设备5套（设计院3套，买方2套），电子文件每台设备2套（设计院1套，买方1套）。是什么意思？

The seller provide timely information and drawings meet the preliminary design and construction drawing design stage. Information and drawings provided by the seller to meet engineering design phase for each piece of equipment 5 sets (3 sets Design Institute, the buyer sets 2) electronic file for ea

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Seller provides engineering design and construction drawings in a timely manner the information and drawings of the design phase. The seller provides the engineering design phase of 5 sets of information and drawings for each device (Design Institute, 3 sets of buyer 2 sets), 2 sets of electronic fi