单相接地故障(K(1)故障)
single phase grounding fault
容许故障等级
acceptable malfunction level
滑坡危险等级划分
landslide hazard zonation
火灾危险等级
classification of occupancies
危险等级
Hazard grade
danger class
Hazard classification
rank of the danger
hazard level
danger classes
risk rating of the rock burst
Risk groups
分布式系统级故障诊断
system-level fault diagnosis
交通事故等级
traffic accident classification
模块级故障诊断
Wodule level fault diagnosis