Field service: an engineer participating in this engineering is particularly appointed to conduct station after-sales service within the warranty period. At least 4 hours to arrive at the fault site.
现场服务：本工程特别委派一名参与本工程的工程师在保修期进行驻地售后服务，最迟4小时到达故障现场进行故障排除。
Before the completion of work, the service engineer isn't allowed to leave the site or without the permission of the customer.
故障未处理完毕，服务工程师不能离开现场。离开现场需得到顾客许可。
Before the completion of work, the service engineer isn't allowed to leave the site or without the permission of the customer.
故障未处理完毕，服务工程师不能离开现场。离开现场需得到顾客许可。
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