飞石是露天爆破工程中严重的潜在事故因素。
Slungshot occurring is a potentially dangerous factor in blasting project in the open air.
潜在事故的区域都应安装足够的合适大小的突发事故板。
All areas of potential accidents shall be furnished with sufficient emergency signs of suitable size.
为了解决高速公路路网潜在事故的救援问题，应用机会成本方法建立资源派遣决策模型。
In order to solve the problems of potential incident rescue on expressway networks, the opportunity cost-based method is used to establish a resource dispatch decision model.
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