短语词组短语No Backorders 没有缺货订单Display Backorders 显示拖欠订单Updating backorders 更新拖期订单order -based backs 订单的平均缺货水平time limited free backorders 耐烦期有限Query - Backorders 查询List of Backorders 拖欠订单清单item -based backorders 基于零件的缺货水平 返回 backorders