resurfacing of rail的意思|示意

焊修钢轨 ... straightening of kinked rail 矫直钢轨 resurfacing of rail 焊修钢轨，又称“堆焊钢轨” rail grinding 打磨钢轨 ...

钢轨焊补 ... 钢轨滚轨机 railroad roller 钢轨焊补 resurfacing of rail 钢轨焊接用铝热剂 rail thermit ...

堆焊钢轨 ... 矫直钢轨 staightening of kinked rail 焊修钢轨；堆焊钢轨 resurfacing of rail 打磨钢轨 rail grinding ...