短语词组短语stuck at 1 fault 固定1故障stuck at x fault 固定x故障stuck at 0 fault 固定0故障stuck at open fault 固定开路故障current at the fault point 故障点电流stuck -at port fault 单固定故障extraction at fault tl 故障时刻提取am at fault 有错误 返回 at fault