slope wash meaning in English

【地质学；地理学】斜坡冲刷物，坡积物。

It is suggested that the impervious wall combined with curtain grouting should be taken as the main vertical impervious body for seepage control , and that the full use of slope wash and fully weathered zone as horizontal impervious blanket should be taken to reduce work load for seepage control
建议采取截渗墙结合帷幕灌浆作垂直防渗体为主的防渗措施，同时充分利用坡积土和全风化带作为水平防渗铺盖以减少防渗处理工作量。
Because the road line is in mountainous region and heavy hilly area and its surface relief undulates greatly , more slope wash and dilurial layer distribution , there are more harm , for example , island shaped perennially frozen soil , drift ice and so on , which effect the stability of the road foundation
由于沿线地处山岭重丘地区，地势起伏较大，坡积物及洪积层分布较多。故岛状多年冻土、涎流冰等病害较多，影响路基的稳定。
Firstly , the main deformation and destruction forms of high loess slope and its deformation and destruction mode are brought forward . the forms are : collapse , slumping , slope wash , slope peeling , sliding mass deformation by collapsibility , and a very little seen form : mudflow
根据野外调查和前人的研究资料，概括总结出黄土高边坡有如下几种破坏形式：滑塌、崩塌、坡面冲刷、坡面剥落掉块、坡体湿陷变形以及并不多见的泥流。