连线阻断率
connection blocking probability
PT中性线断线的研究
Research on PT neutral line failure
接地极引线断线保护
electrode line open circuit protection
绝缘导线断线
breakage of insulated conductor
中性线断线保护器
neutral conductor interrupted protective equipment
CT断线报警继电器
open CT-circuit alarm relay
CT计算机处理X线断层摄影术
CT computerized tomography
PT断线
pt break line
FT breaking
PT secondary broken connection
PT line breaking
potential transformer broken line
PT breaking
potential transformer disconnection
PT circuit open
PT phase_open
PT-breaking
PT break
PT断线与振荡闭锁
PT broken line and occillation blocking