alluvion

The sandy soil that upland lime calcium pledges earth and fluvial two sides reach alluvion, sandy loam 4 kinds big.

丘陵石灰钙质土和两岸及沙洲沙土、沙壤土等四大类。

Jet grouting with high pressure is of particular advantage to strengthening of the ground in thick alluvion and soft soil vulnerable to seismic damage.

对震严重厚冲积层或厚软土层，用高压喷射注浆法进加固处理有其独特优越性。

The spatial differentiation of sediment granularity is controlled by micro-physiography formed by alluvion and deposit swing and by paleoclimate, and by, as well, human’s irrigation from Yellow River.

沉积物粒度表层空间分异与冲积、床摆动形成微地貌控制及气候等自然要素有关，也受人类引黄灌溉、抽水灌溉等社会因素影响。