1、Railway locomotive traction supporting the professional gear manufacturers.
鐵路機(jī)車牽引齒輪的專業(yè)配套廠家。

2、A railway locomotive has one freedom of motion.
一個(gè)火車頭有一個(gè)運(yùn)動(dòng)自由度。

3、Railway locomotive engineers operate railway locomotives to transport passengers and freight.
鐵路機(jī)車工程師操作鐵路機(jī)車運(yùn)送乘客和貨物。

4、Development of polyurethane coating for Qingzang railway locomotive car
青藏鐵路機(jī)車車輛用聚氨酯涂料的研制