短語(yǔ)詞組短語(yǔ)conductor -rail insulator [電]導(dǎo)電軌絕緣子depressed conductor -rail [電]壓下的接觸軌overhead conductor rail 架空導(dǎo)電軌conductor rail anchor 接觸軌錨enclosed insulated conductor rail 多極琯式滑觸線 返回 conductor rail