The design of the special cutter makes three coordinate numerical control slope cutting metal sheets be realized.
专用刀具的设计使三坐标数控倾斜切削金属薄板得以实现。
However, in large open pits, traditional methods such as planting, slope cutting and backfilling are not suitable for restoring the ecological environment.
对于在生产、规模较大的露天采场，不能采用削坡回填、覆土种植等简单的传统方法恢复矿山生态环境。
We research the digging of blasting in the Chu-Ning expressway high slope cutting of Anhui Province, factors of influence the parameter of blasting result and choose rational working procedure.
课题以安徽省埠宁高速公路高边坡路堑爆破开挖为研究对象，重点分析了影响爆破效果的参数及其合理的施工顺序。
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