soft clay base的用法和樣例：
例句
- This will provide a basis for the design of high-speed railway subgrade over soft soil.
為真空聯合堆載預壓法在高速鐵路深厚軟土路基上的設計和應用提供了依據。 - The settlement and deformation behavior of the soft clay subgrade are analyzed in detail before and after the opening to traffic.
詳細分析了通車前和通車后軟土路基的沉降變形特徵。
