Changsha Mining Research Institute in cooperation with Tongshan Copper Mine developeda kind of save dynamite named as GLW type which can be utilized in demolition for sulphureousdeposit. Such a kind of demolition ment...Changsha Mining Research Institute in cooperation with Tongshan Copper Mine developeda kind of save dynamite named as GLW type which can be utilized in demolition for sulphureousdeposit. Such a kind of demolition mentioned above is a difficult problem because of probabilityof spontaneous combustion or explodation. Engineers delicated oneself to the study of selection of展开更多
文摘Changsha Mining Research Institute in cooperation with Tongshan Copper Mine developeda kind of save dynamite named as GLW type which can be utilized in demolition for sulphureousdeposit. Such a kind of demolition mentioned above is a difficult problem because of probabilityof spontaneous combustion or explodation. Engineers delicated oneself to the study of selection of
