material flow短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 物料流程,原料周转,物质流 As one of prevailing production and inventory control systems, MRP II attaches importance to utilizing and balancing of production capability, but ignoring efficiency of material flow. 当前较为成熟的生产与库存控制系统中， MRP II强调生产能力的平衡与利用，而忽视了物流效率； cnki