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本文根据条形药包装药结构的空腔特点，论述不同空腔比的爆破规律和效果，有利于合理选择空腔比，推动该项技术进一步发展和完善。
In this paper, according to the cavity characteristics of the drug-packed bar-shaped drug structure, the rules and effects of blasting with different cavity ratios are discussed, which is beneficial to choose the cavity ratio rationally and promote the further development and improvement of the technology.