soft sub-soil的意思|示意

To build expressway on the soft soil ground, the problem of the sub-grade's stabilizing control will inevitably face us during the course of the construction.

在软土地基修筑高速公路，路基的稳定控制是建设中必然面临的问题。

Seismic design for PHC pipe piles in coastal liquefaction soft sub-soil was discussed.

探讨了沿海软土液化地基PHC管桩的抗震设计。