500kV无人值班变电站
500 kV unmanned substation
无人值班变电站
unattended substations
unmanned substation
unattended substation
non-attended substation
unattended operation substation
unmanned substations
conventional unattended substation
nobody on-duty transformer substation
nonattended Substation
Non-manned substation
substation without shift
unm anned substation
substation without personal shift
有人值班的非自航驳
manned non-self-propelled barge
500kV无人值班站
500 kV unattended substation
无人变电站
no-man on duty substation
无人值班站
substation with no person on duty
unattended substation
unmanned substation
变电站的微机检测
computer testing in transformer substation
变电站的微机检测与控制
computer testing & control in transformer substation