The selection of open chamber blasting parameters in our mine has been introduced for communion and improving the technology of open chamber blasting.
通过对本矿露天矿山硐室爆破参数选择介绍，达到相互交流，进一步提高露天硐室爆破技术的目的。
The selection of open chamber blasting parameters in our mine has been introduced for communion and improving the technology of open chamber blasting.
通过对本矿露天矿山硐室爆破参数选择介绍，达到相互交流，进一步提高露天硐室爆破技术的目的。
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