在一望无际的塞北平原上长年奔驰着这样的一趟列车红色空调车体,冬暖夏凉、温度适中;车内装饰着淡青色板壁,干净整洁、舒适温馨。这就是横跨宁、蒙、晋、冀省区,全程运行1353公里,连接着湖城银川与首都北京的K177/178次列车,她在风雨兼程中已行驶20年,见证了祖国西北内陆地区的不断进步与发展。 In the endless Saibei plains in the long run with such a train red air-conditioned body, cool in summer and cool in summer, moderate temperature; car decorated with light blue siding, clean and tidy, comfortable and warm. This is the K177 / 178 train that runs across Ningxia, Mongolia, Shanxi and Hebei provinces and runs 1353 kilometers throughout the entire city. It connects Yinchuan to Lake City and Beijing to the capital. She has traveled 20 years in the course of trials and hardships, witnessing the northwest inland of the motherland The continuous improvement and development.