改善河道 meaning in English

river training

River action plan
改善河道计划
The research relates to the field experiment for improving river water quality by using microorganism , which lasts two months in taohuajiang river
摘要该课题是探索直接利用人工培养的微生物改善河道水质的研究。
Moreover , the drainage services department has also been conducting ad hoc maintenance dredging in some rivers or nullahs to address the odour problem
另外，为改善河道环境，渠务署亦会不时清理河道及进行除淤以改善臭味等问题。
Ancillary works including earthworks , construction of embankments , footpaths , drainage and river training works , slope works , landscaping works , construction of retaining walls , and the erection of noise barriers
进行附属工程包括土方工程行人路建筑路堤渠务及改善河道工程斜坡工程环境美化工程建筑护土墙，以及设置隔音屏障。
The experiment shows that compared with the surface protections of the conventional dyke projects , this new type of the surface protection has the merits of higher resistance to high shear tress ; better stability and permeability and has the advantages in improve the eco - environment and facilitate the construction concerned
试验表明：新型生态防洪工程护面连锁块与传统堤防工程的护面形式相比，具有抗高切应力、稳定、透水性好、改善河道生态环境等优点，而且施工方便快捷。