The improving effect of shallow ploughing and deepdigging to low-wet soil was studied in this paper.
本文通过大区对比法对浅翻深松改良低湿耕地的效果进行研究。
2
As deepdigging and high filling, settlement calculation of high subgrade has been gradually becoming a key problem in the building of high class highway in mountain areas.
由于深挖高填造成填方高度过大，高填方路基沉降逐渐成为山区修建高等级公路迫切需要解决的问题。
3
Deep connotations in the composition of novels come from writer's deepdigging in life, careful choice of high grade materials with aesthetic information, and artful treatment of the materials.