single-line fault 单线故障

single line to ground fault 单相接地故障

single-line-to-ground fault 一线接地故障

single line-to-ground fault 单相接地故障

single-phase-line-open fault 单相断线故障

single phase fault line detection 单相接地选线

single line grounding fault-line-selection 单相接地选线

single-phase earth fault line selection 单相接地故障选线

single-phase-to-ground fault line selection 单相接地故障选线