故障: hitch; breakdown; stoppage; ...树: tree的: 4次方是 The fourth power of 2 i ...顶事: be useful; serve the purpose ...件: piece; article; item每个故障树的使用时间: use times from fault tree顶事件: top event故障树: failure tree,failure branch chart; fault tree故障树, 失效树: fault tree故障树分析: fail tree analysis; failure tree analysis; fault tress analysis; fault-tree analysis; fta fault tree analysis; tree analysis故障树字段: fault tree fields故障树分析法: fault tree analysis; fta故障树状分析: fta fault tree analysis顶事: (有用; 能解决问题) be useful; serve the purpose; be effective 对我来说这本新词典很顶事。 this new dictionary is very useful [helpful] to me. 多穿件毛衣也还顶事。 it does serve the purpose to put on another woollen sweater. 孩子太小, 不顶事。 the child is too young to help故障树层次结构: fault tree hierarchy故障树分析程序: procedure for fault tree analysis故障树型分析法: fault tree analysis故障树形图分析: fault trees analysis故障树分析, 失效树分析: fault tree analysis故障树名词术语和符号: terms and symbols of fault tree事故,故障,偶然事件: accident事故;偶然事件;故障: accident树的: arboreal; standing; wooden事件与故障记录: e & fr event and failure record冒顶事故: roof-fall accident