PHA是若干个过程危害分析技术的集合，可用于解决工程项目HSE和可靠性风险问题。
PHA is an aggregate formed by several process hazard analysis technologies and can be used to control HSE and reliability risk on engineering project.
本文通过对这两种截然不同的结果的对比分析，可以清楚地看出选举过程中的好处和危害。
In this essay, according to the contrastive analysis of the two completely different results, readers can see clearly the benefits and harms in the process of this election.
在盒饭生产过程中建立危害分析和关键控制点（HACCP）体系。
To establish the hazard analysis critical control point (HACCP) system for the production of packed meal.
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