短語詞組短語Railway freight rail 鉄路貨運Railway & Rail Transit 鉄路與軌道交通工程High -speed Railway and Rail Transit 高速鉄路與軌道交通railway rail recognition 鋼軌識別three -rail railway 雙軌距鉄路two -rail railway 雙軌鉄路Heavy rail railway 重軌鉄路rail transit railway 軌道交通線路high -speed wheel-rail railway 高速輪軌鉄路 返回 railway rail