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针对住宅燃气系统建立了以住宅燃气系统失效为顶事件的失效故障树,分析了导致住宅燃气系统事故发生的各种可能因素,得到了故障数的各阶最小割集,并提出了相应的改进措施。
A failure fault tree based on residential gas system failure as the top event was established for residential gas system. Various possible factors that led to residential gas system accidents were analyzed. The minimum cut sets of each order of fault numbers were obtained and corresponding improvements were proposed Measures.