层土 meaning in English

ahorizon
prodelta clay

Nonlocal friction analysis of pile foundation in multi - layer soil
多层土桩基的非局部摩擦分析
Soil capillary water upward movement from sand layered soil column
夹砂层土体构型毛管水上升的实验研究
Underlying soil stratum , strata
下卧层土
Semi - analytical solution for vibration of pile with variable section in layered soil
分层土中变截面桩振动问题半解析解的研究
Semi - analytical solution for response of pile in multi - layered soil under impact force and its simulation
多层土中桩的振动半解析解

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