Loose covering layer that consisted of water containing fine powder sand layer was encountered in the overcasting at Zhaodianzi Iron Mine.

赵店子铁矿在露天开采中遇到了含有含水粉细沙层的松散覆盖层。

youdao

Abstract: : the soft soil roadbed is mainly composed of clay and silty soil fine particle content of soft soil, the gap of the organic soil, peat soil and loose sand soil layer.

摘要：软土路基主要由粘土和粉土等细微颗粒含量多的松软土、空隙大的有机质土、泥炭土以及松散砂等土层构成。

youdao