• In this paper the construction plan of mid depth parallel cut blast is introduced, meanwhile some important technical questions are pointed out.

    介绍了采用眼掏槽爆破施工方案指出几个关键性技术问题

    youdao

  • In this paper the construction plan of mid depth parallel cut blast is introduced, meanwhile some important technical questions are pointed out.

    介绍了采用眼掏槽爆破施工方案指出几个关键性技术问题

    youdao

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