下面这句话的英文解释分析制造,装配过程自始至终的机器,材料,方法和人力变化的原因.强调过程变化原因的影响.分析总的过程而

Analysis source of variation of machines, materials, methods and manpower from the beginning to end of a manufacturing of assembly process to emphasize the impact of source of variation on the process and to analyze the total process rather than individual steps on the process.