短語詞組短語inventory risk cost 庫存風險成本inventory obsolescence cost 陳腐化成本inventory service cost 庫存服務(wù)成本inventory maintenance cost 存貨持有成本inventory keep cost 庫存持有成本inventory y cost 庫存成本;存貨成本Inventory Ordering Cost 存貨訂購成本inventory acquisition cost 購置材料費用inventory custody cost 庫存保管費用 返回 inventory cost