线路平行错移 track by paralled shifting apart
线路平行错移 track by paralled shifting apart
相关考题:
The engineer hasn’t got time to track down the problem.‘To track down’ means to find out.() 此题为判断题(对,错)。
判断题The engineer hasn’t got time to track down the problem.‘To track down’ means to find out.A对B错
多选题线路拨移应符合下列规定:()A线路拨移前应设置拨移控制桩,标明拨移量,避免盲目拨移线路B拨移准备工作必须符合列车放行条件,严禁超挖、超前和超范围准备C无缝线路区段,可以不进行应力放散就挖开道床D采用滑轨拨移线路作业时,未封锁线路前,严禁向线路内穿放滑轨E曲线地段(改移路基的软硬密实度不均),线路就位后应使用机械捣固、稳定
名词解释题线路中心线 center line of track