他们受雇于拥有和经营重型装备的公司，重型装备经销商，租赁和服务机构，以及铁路运输企业和城市轨道交通系统。
They are employed by companies which own and operate heavy equipment, and by heavy equipment dealers, rental and service establishments, and railway transport companies and urban transit systems.
上海轨道交通1号线扩编项目的中间动车需要由铁路运输完成，因此需要设计运输接口箱以代替A车功能。
Since the midst motor coach of Shanghai URT Line 1 Expansion Project has to be transported by railway, its necessary to design an interface box as the substitute of A-car.
近几年，动车组以其编组灵活、方便、快捷、安全，可靠、舒适等优势备受世界各国铁路运输和城市轨道交通运输的青睐。
Recently, CRH is famous for its convenience, safety, comfort, high-speed, flexible organization and favored by railway transportation and city orbit traffic transportation.
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