爆管起爆网路shock-conducting tube initiation system；nonel initiation system 爆破质量quality of blasting 爆堆blasting muckpile, muck pile ..
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Extension mine new charge methods to improve the quality of blasting to reduce blasting costs using BJQ air spacer.
利用BJQ空气间隔器，研究推广矿山新的装药方法，提高爆破质量，降低爆破成本。
The sublevel interval Charging is introduced which can significantly improve the quality of blasting thus reducing operation cost.
通过对气囊间隔器在爆破工作中的使用情况分析，提出采用分段间隔装药技术，提高爆破质量降低采矿成本。
According to deep hole blasting practice, the wide hole spacing small burden technology is studied because the technology can improve quality of blasting.
根据深孔爆破工程实践，对宽孔距小抵抗线爆破技术进行了研究，该技术可改善爆破质量。
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