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近年来,随着经济发展,人们对各种矿产资源进行大规模开采,矿洞隧道发生坍塌的事故时有发生,使用钻探手段迅速成孔,成为矿难救援任务的首选工艺。
In recent years, with the economic development, people have carried out large-scale mining of various mineral resources. The accidents of mine tunnel collapse occur from time to time. The rapid drilling of drilling holes has become the first choice of mine rescue mission.