With the example of Suibei highway, the paper expounds the general construction method of filling the weak frozen and low liquid limit clay foundation in the area of Northeast China.

结合绥北公路建设实例，阐述东北地区弱冻低液限粘土路基填筑施工的一般方法。

youdao

In addition, in main grain-producing area of northeast China, many peasants sell corn produces at three special times, leading to the "three sale fastigiums" in which the corn price are low.

另外，东北粮食主产区粮农销售过程中存在“三大销售高峰期”的现象，许多农户在高峰期低价销售。

youdao

In addition, in main grain-producing area of northeast China, many peasants sell corn produces at three special times, leading to the "three sale fastigiums" in which the corn price are low.

另外，东北粮食主产区粮农销售过程中存在“三大销售高峰期”的现象，许多农户在高峰期低价销售。

youdao