practical project短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 实际工程 Based on a practical project, the author introduces a ground treatment method of step cushion replacement with different intensity substance to control differential sedimentation. 通过工程实例，介绍了采用踏步换土垫层法并结合不同强度的填料用来调整控制地基不均匀沉降量处理地基的方法。 dictall