短语词组短語No Backorders 沒有缺貨訂單Display Backorders 顯示拖欠訂單Updating backorders 更新拖期訂單order -based backs 訂單的平均缺貨水平time limited free backorders 耐煩期有限Query - Backorders 查詢List of Backorders 拖欠訂單清單item -based backorders 基於零件的缺貨水平 返回 backorders