The charge weight formula, design method and safety precaution in the construction are herewith presented.

文章论述了无临空面水压爆破药量计算公式及设计方法，并提出了施工安全技术措施。

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The charge weight formula, design method and safety precaution in the construction are herewith presented.

文章论述了无临空面水压爆破药量计算公式及设计方法，并提出了施工安全技术措施。

youdao