single line permanent ground (SLG) fault  单永故障; 单相永久接地故障

SDSL Single-Line Digital Subscriber Line，Single-Line DSL  单绞线数字用户系统; 对称数字用户回路

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

Single-line fault  单线故障

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

ground fault line detection  小电流接地选线; 接地选线

ground-fault line detection  故障选线

auxiliary single line diagram  厂用电接线

detection of single phase_to_ground line  接地故障选线

detection of single phase-to-ground line  故障选线

electrical single line diagram  电气主接线

high speed single line controller  高速单线控制器

main single line diagram  主接线

on line single particle mass spectrometry  在线单粒子质谱

On-line single photon time resolved spectrometer  单光子时间分群在线谱仪

SDSL(single-line digital subscriber)  单线式用户数字专线

series connection of multi-well with single-line  多井单管串接

single fault  单一断裂; 单断层; 单个故障; 单点故障; 单故障; 单一故障

single fault propagation  单故障传播

Single Line  单行线; 单品种; 单线; 单列; 单谱线; 单线图