求翻译：卖方技术专家在整个安装调试期内，应在现场按照卖方的技术文件对所有与设备、生产及维修有关的技术进行详细的解说和演示；是什么意思？

Seller technical experts throughout the installation period, the seller should be in the field of technical documentation in accordance with all equipment, production and maintenance of the detailed technical explanation and demonstration;

Seller's technical experts in the entire installation and debugging, shall be in accordance with the seller at the scene of the technical paper on all equipment, production and maintenance of such a detailed explanation of the technology and presentation;

The seller technical expert in entire installs in the debugging time, should to possess in the scene according to seller's technical document with the equipment, the production and the service related technology carries on the detailed illustration and the demonstration;

Seller's technical experts throughout the installation and commissioning period, should be in accordance with the seller in the field of technical files for all production and maintenance of equipment, for a detailed explanation and demonstration of technologies;

The seller technical expert in entire installs in the debugging time, should to possess in the scene according to seller's technical document with the equipment, the production and the service related technology carries on the detailed illustration and the demonstration;