求翻译：在用户人员的配合下，卖方技术专家应完全负责设备的安装和调试，卖方应承担由安装和调试引起的风险和过失责任。是什么意思？

Personnel with the user, the seller should be fully responsible for the technical experts of equipment installation and commissioning, the seller should bear caused by the installation and commissioning risk and negligence.

In the User staff Technical Experts, in conjunction with the seller shall be fully responsible for the installation and debugging, the seller has to bear the risks by the installation and commissioning and fault.

In under the user personnel's coordination, the seller technical expert should be responsible for the equipment completely the installment and the debugging, the seller should undertake the risk and the error responsibility which causes by the installment and the debugging.

In users who, with the, seller's technical experts should be fully responsible for equipment installation and commissioning, the seller should bear the risks associated with installing and debugging and fault liability.

In under the user personnel's coordination, the seller technical expert should be responsible for the equipment completely the installment and the debugging, the seller should undertake the risk and the error responsibility which causes by the installment and the debugging.