differential relay

常用短語

voltage differential relay電壓差動繼電器；差壓繼電器；電壓差電驛；電壓差接繼電器

selective differential relay選擇性差動繼電器；選擇差動繼電器

percentage differential relay比率差動繼電器；百分率差動繼電器

TV differential relay電視差轉機

flux differential relay磁通差動繼電器

ratio-differential relay比例差動繼電器

rectifier type differential relay整流式差動繼電器

differential relay valve差動中繼閥

ratio differential relay比率差動繼動器