最佳答案
交通運輸設備 transport and communication facilities運籌學 operational research運輸經濟學 transportation economics鐵路行車構造 organization of train operation鐵路貨運構造 railway freight traffic organization鐵路站場及樞紐 railway yard and hinge旅客運輸 passenger traffic運輸市場營銷 marketing on Transportation market交通運輸保險 transportation security集裝箱container