确定尚未完成或未交付的订单。识别部分或全部不完整的服务订单，以及尚未交付给客户的订单。使用项目跟踪器等技术来识别服务订单的进度。 Determining orders which have not been completed or delivered. Identify the service orders that are partially or entirely incomplete, as well as the orders that have not been delivered to the customer. Use techniques such as project trackers to recognize the progress of the service orders.