对框架木箱枕木计算方法的改进
混凝土轨枕裂损与养护作业
1·Reported on January 11 according to British media, can be clear about on video extract see, this man body is flat bend over almost motionlessly between the crosstie in rail.
据英国媒体1月11日报道,在视频片段上可以清楚看到,这名男子身体平直几乎一动不动地趴在铁轨的枕木之间。