铁路机车车辆 - 2026 进行中

1000 ₸
科目: 铁路机车车辆
级别: II (I级最简单,XII级最难)
类别: 大学生
试题语言: English
题数: 15
问题示例: What is the primary purpose of a wheel flange on a railway wheel? To increase the vehicle's payload, To cool the wheel during braking, To guide the wheelset along the rail, To connect the wheelset to the brake pipe