There are 4 layers in typical profileofslope disintegration: the red soil layer, the sandy soil layer, the detritus layer and the crack weathered layer(also claimed the globular weathered layer);
把典型的崩岗剖面从上到下划分为：红土层、砂土层、碎屑层和裂隙风化层（亦称球状风化层）4个层次；
2
The drop of his forehead, his brow, the slopeof his nose, his eyelashes and the curve of his eyes, the plastic profile of his mouth, talking, these are all outlined in black against the stars.
Methods Similated to duplicate model keys in sameness nipping manner, then observe and summarize the slope angel ofprofile modeling reamer trace how to change.