铁路物流 - 2026 进行中

1000 ₸
科目: 铁路物流
级别: III
类别: 大学生
测试题目: 英语
问题示例: In a rail freight yard, what is the primary purpose of a siding? To hold or pass trains away from the main track, To measure the weight of each wagon, To refuel every locomotive automatically, To issue customs declarations