使用VCR采矿法进行采矿时，必须就地进行爆破漏斗实验，以确定利用球状药包落矿时的爆破参数。

By employing the VCR mining method, the experiment of blasting funnel must be carried out on the spot in order to ensure the parameters in mining by globular dynamite charge.

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大红山铜矿地下中深孔采矿中，采用系列爆破漏斗试验方法确定中深孔采矿凿岩爆破参数，取得了较好的效果。

Serial blasting crater test method was used in underground medium and deep hole mining of Dahongshan copper mine for determining drilling and blasting parameters, and good results were obtained.

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