Because of many merits, such as higher strength, better water stability, and good for environment protection, lime-ash soil is widely used now in high class highway sub-base.
二灰土因其具有强度较高、水稳性较好和有利于环保等优点，在目前的高等级公路底基层中广泛使用。
The main contents were as follows:1). To divide the regional soil erosion into two sub-processes of water and sand, according to the description of the process of sloping soil erosion;
主要内容：1，基于坡面尺度上对水土流失过程的描述，并将区域尺度水土流失的过程划分为水和沙两个子过程。
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