over and-under relay的意思|示意
上下继电器
over and-under relay的网络常见释义
过和低继电器 ... over all 全部的 over and-under relay 过和低继电器 over bending 过度弯曲 ...
over and-under relay相关短语
1、 under and over voltage relay 过不足电圧継电器
over and-under relay相关例句
WJJL1 intelligence over current relay is a typical electronic apparatus which has over current, short circuit, over voltage, under curent, phase faults and starting failure protective functions.
WJJL1智能过流继电器是典型的电子、电器技术相结合的产品。 具有过电流、短路、缺相、过欠压、欠电流、相失衡及启动故障等保护功能。