railway locomotive造句

1、Railway locomotive traction supporting the professional gear manufacturers.
铁路机车牵引齿轮的专业配套厂家。

2、A railway locomotive has one freedom of motion.
一个火车头有一个运动自由度。

3、Railway locomotive engineers operate railway locomotives to transport passengers and freight.
铁路机车工程操作铁路机车运送乘客和货物。

4、Development of polyurethane coating for Qingzang railway locomotive car
青藏铁路机车车辆用聚氨酯涂料的研制

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