测试变压器绝缘值应大于（），远程点灯变压器除外。 [">200MΩ",">100MΩ",">150MΩ",">50M&Omega"]
GYK区间作业模式具有（）状态。 ["区间作业进入","区间作业返回","区间作业防碰","区间作业编组","5km\/h连挂"]
种子呼吸商
创造力是指产生新的想法，（）和制造新的事物的能力 ["发现","积累","创造","实践"]
CTCS-3级列控系统由（）、车载设备、信号安全数据网络、GSM-R无线通信网络构成。 ["ZPW-2000系列轨道电路","地面设备","应答器设备","记录单元"]
车召回的主要方式是什么？
