definite-time over-current protection
...elay 定时限反时限继电器 definite-time limit relay 逆时定时限继电器 definite-time over-current protection 定时限过流保护 ..
基于20个网页-相关网页
... 定时限动作 delay opeation 定时限远距离继电器 definite time limit distance relay 定时限过流保护 current protection ...
基于8个网页-相关网页
短语
定时限过电流保护
definite time over-current protection