单词	双向电驿
释义	双向电驿duodirectional relay
随便看	distance isolation distance judgement distance key distance-- lattice distance learner distance learning distance lends enchantment distance lends enchantment to the view distance lends enchantment to the view. distanceless distance line distance liner distance made good distance mark distance-mark distance mark, distance marker distance marker distance marker; range circle distance, mean-square distance-- mean-square distance measurement distance measurement with fixed angle distance measurement with fixed length distance measurement with horizontal base staff distance measurement with subtense bar