project_in_controlled_environment

1.In blasting project, the workload of drilling-and-charging must be reduced and the flying rocks controlled but a very complex environment, to avoid the damage of the piers by falling arch beams.
本次爆破不仅环境复杂，而且要减少钻爆工作量、控制飞石，防止曲拱梁塌落时对桥墩造成损伤。
dict.yoduao.com