soft soil area的用法和樣例：
例句
- In soft soil regions, settlement after work completion is the main problem to be solved urgently.
摘要在軟土地區修建高等級公路，工后沉降是亟需解決的問題之一。 - The ground settlement caused by large-scale urban construction has become a new restriction factor of ground settlement in soft soil area of Shanghai.
摘要大規模城市建設誘發的工程性地面沉降已成為上海軟土地區地面沉降新的制約因素。
