cavity charge with shell 带壳聚能装药
At the same time, it showed that the size of air gap around charge has important impact on the cylindrical cavity radius.
同时表明：不耦合装药时药包周围空气间隙的大小对柱状空腔半径影响较大。
This research has certain reference value for the prediction and of spherical charge on blasting cavity radius in soil.
本文的研究对土中爆炸空腔半径预测有一定的参考价值。
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