b/b discount (bill back)信誉折扣b/nB/Nback-end allocation期后分摊back-end allocation file期后分摊文件back-end allocation identifer期后分摊标识back-end allocation listing期后分摊清单back-end allocation maintenance期后分摊维护back-end allocation maintenance program (gldlll)期后分摊维护程序back-end allocation master file期后分摊主文件back-end allocation processing期后分摊处理back-end allocation processing program (gld530)期后分摊处理程序back-order code逾期定单代码back-up (to)备份（到）back-up copy备份拷贝back order逾期定单back up备份SAPbackdated tax calculation税收追索SAPbackflush倒冲SAPbackflush(as verb)反冲backflush transaction反冲事务backflushing反冲backflushing capability反冲能力background job后台作业SAPbackground processing后台处理SAPbackground processing system后台处理系统SAPbacklog未交付订单SAPbacklog calculation未交订货计算SAPbacklog is dispatched未交付订单被处理SAPbacklon储备（积累）backlon amount储备金额backlon problem（储备）积压问题backorder拖欠订单SAPbackorder flag逾期定单标志backorder handling拖欠订单处理SAPbackorder processing拖欠订单 处理SAPbackorder status逾期定单状态backordering逾期定单backorders拖欠订单SAPbackup备份backup copy备份SAPbackup diskette磁盘备份backup simulation (for630)模拟备份backward consumption倒序消耗SAPbackward scheduling倒序排产计划SAPbackward/forward lot tracing screen倒排/顺排backward-schedule倒排计划backward lot trace倒推批跟踪backward trace倒推跟踪backwards lot tr