The conclusion was instructive and might be a reference to railroading in high latitude permafrost.

所得结论对今后高纬度多年冻土区铁路建设具有重要的参考价值及指导意义。

youdao

The conclusion was instructive and might be a reference to railroading in high latitude permafrost.

所得结论对今后高纬度多年冻土区铁路建设具有重要的参考价值及指导意义。

youdao