Recently air-cushion blasting with column charge has been widely used and gained remarkable results in improvment of fragmentation and controlling damage.
近年来条形药包空腔爆破的应用范围有了一定的扩展，并且在提高爆破效果和控制爆破危害等方面取得了显著效果。
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.
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。
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