lay ered soil的用法和样例：
例句
- The depth of a buried soft interlayer will influence the rupture process and the rupture range of the overlaying soil.
软夹层埋置深浅的不同使上覆土层的破裂过程和破裂范围表现出一定的差异。 - So, in order to keep more water in overlying soil in filling reclamation, filling layer porosity should be designed according to the porosity of overlying soil.
因此，在充填复垦实践时，应根据覆土层孔隙度情况设计充填层的孔隙以保证充填复垦土壤有较强的保水性能。
