un. 逆電流時延繼電器 reverse current time lag relay: 逆電流時延繼電器adjustable time-lag relay: 可調(diào)延時繼電器dependent time lag relay: 變時限繼電器; 反時限繼電器graded time lag relay: 可調(diào)整延時繼電器graded time-lag relay: 分段延時繼電器; 可調(diào)延時繼電器下載手機詞典可隨時隨地查詞查翻譯