试验结果表明，底部空气柱装药掏槽爆破效果优于常规装药效果。

Experimental results show that the cut blasting effect of bottom charge is better than that of conventional charge.

youdao

以槽腔体积、槽腔深度和爆破块度为指标，对底部空气柱装药和常规装药掏槽爆破进行了模拟试验。

With the index of cut hole's volume, depth and blasting fragmentation in the thesis, the simulated tests have been carried out upon cut blasting of bottom air column and conventional charge.

youdao