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。

youdao

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。

youdao