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