The soil bedformation is a complex process which involves sedimentation and dead-weight consolidation.
悬浮泥沙到沉积土的形成过程非常复杂，涉及到泥沙的沉降和土的自重固结。
2
This paper presents the river course evolution of Yilan to Jiamusi reach through analyzing evoluting reason and river bedformation.
通过对河道演变原因及河床形态的分析，得出松花江依兰—佳木斯江段河道演变的特点。
3
Drilling mud can clean out the cuttings by its circulation, especially for horizontal hole, it can avoid the sand-bedformation and reduce downhole troubles.