短語(yǔ)詞組短語(yǔ)regional rapid rail transit 市域快速軌道交通regional intercity rail transit 區(qū)域城際快速軌道交通regional rapid rail line 市域快速軌道交通Regional Rail RGR 區(qū)域鉄路regional rail transit 區(qū)域性軌道交通線Regional Rail Line 郊區(qū)火車regional rail system 軌道交通系統(tǒng);區(qū)域鉄道regional rail transit network 區(qū)域軌道交通網(wǎng) 返回 regional rail