warmth retention material 基本例句 生产流程 Is non-conforming material segregated at all stages of the process?在生产流程的不同阶段,是否都将不合格材料分开? To plan and expedite material and services on time to ensure production flow is maintained at all times.计划并加快材料和服务的及时性,以确保生产流程持续顺利。