The rail welding plays an important role in the engineering of laying continuous welded railway (c WR), and decides the quality of rail tie-in directly, which has great influence on railway security.

钢轨焊接是无缝线路建设工程中的关键环节，它直接决定了钢轨接头的质量，从而对铁路安全有重要影响。

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When train runs from the rail of high rigidity to the rail of low rigidity, the rail vertical force, rail acceleration and tie acceleration gradually change from large to small.

当列车从高刚度轨道到低刚度轨道时，钢轨垂直力、钢轨加速度、轨枕加速度是由大逐渐减小，没有突变。

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Its function is fixes the rail on the railroad tie, maintains the gauge and the impediment rail is opposite in the railroad tie vertically and horizontally to the migration.

其作用是将钢轨固定在轨枕上，保持轨距和阻止钢轨相对于轨枕的纵横向移动。

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The Bridgend-based club open their competitive season with a home Northern Rail Cup tie against Widnes Vikings on Friday 9 February.

BBC: SPORT | Rugby League | Crusaders start season with bang

It wants Eric Pickles to tie it in with an inquiry into another rail depot at Colnbrook, near Slough.

BBC: St Albans council threatens legal action over rail depot