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根据爆破原理,确定小直径炮眼掘进爆破时的合理掏槽方式、周边眼、钻头直径等爆破参数,并在试验中取得了成功,获得了良好的效果。
According to the principle of blasting, blasting parameters such as reasonable cutting method, peripheral eye, drill diameter and other blasting parameters for small diameter blasthole blasting are determined, and the successful test results have achieved good results.