once the purchase order for production material is placed, secure the material flow (both batch sequence material) from supplier to the assemblycomponent plants. 一旦采购订单下达,确保物料从供应商到分装厂主机厂的供应(含批量顺序物料)。 the local steering parameters (from the plants material systems) are being used to optimize the material flow (e.g. safety stock unit loads reaction time or frozen period ftl or ltl ). 根据各种实地参数(安全库存,响