These features included the service order document number, the unit of the plant in question, the date of the order, the name of the contractor or supplier, a general description of the repair, overhaul or maintenance work undertaken and its cost.
这些要点包括服务申请单编号、有关工厂的生产单元、申请单签发日期、承包方或供应商名称、修理、大修或维护保养工作概述及其费用。