求翻译：针对石油化工装置中存在的危险因素,从工艺设计、装置布置设计、工艺管道设计、设计缺陷防范等多方面,详细介绍保证石油化工装置安全的设计方法和措施,强调了安全设计的重要性。是什么意思？

There is a risk factor for the oil chemical plant, layout design, process design, installation design defect prevention process piping design, such as details on design methods and measures to guarantee the safety of petrochemical unit, stressed the importance of security design.