... 避难线 refuge siding;catch siding 拨道机 track lining machine 路基加固 subgrade strengthening ...
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track lifting and lining machine 起拨道机
track raising and lining machine 拨道机
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Turnouts shall be treated in the same manner as the track by an appropriate lining levelling and tamping machine.
道岔应采用与轨道相同的方法，由合适的衬砌、平整和打夯机来处理。
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