The method and steps of preliminary hazard analysis (PHA) is introduced. To analyze the possible hazards in engineering by PHA may help to bring forward related prevention measures.
介绍了预先危险性分析的方法(PHA)和基本步骤，应用PHA分析工程系统中的可能潜在危险性，为在生产活动中采取相应的预防措施提供依据。
The method and steps of preliminary hazard analysis (PHA) is introduced. To analyze the possible hazards in engineering by PHA may help to bring forward related prevention measures.
介绍了预先危险性分析的方法(PHA)和基本步骤，应用PHA分析工程系统中的可能潜在危险性，为在生产活动中采取相应的预防措施提供依据。
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