• Turnouts shall be treated in the same manner as the track by an appropriate lining levelling and tamping machine.

    道岔采用与轨道相同方法合适衬砌平整打夯来处理。

    youdao

  • Turnouts shall be treated in the same manner as the track by an appropriate lining levelling and tamping machine.

    道岔采用与轨道相同方法合适衬砌平整打夯来处理。

    youdao

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