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。

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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。

youdao