[计] 绘图故障树 fault tree: 故障树, 失效树fault tree analysis: 故障手析; 故障树分析, 失效树分析; 故障树分析法; 故障树型分析法; 故障树状分析; 失效树分析fault tree fields: 故障树字段fault tree hierarchy: 故障树层次结构fault-tree analysis: 故障树分析; 缺陷树分析下载手机词典可随时随地查词查翻译