“presplitting blasting”的概念、定义、翻译、参考文献-科学参考

单词	presplitting blasting
释义	presplitting blasting Encyclopedia 理学爆炸力学释 presplitting blasting预裂爆破沿开挖轮廓布置密集炮孔，采取不耦合装药在主爆区爆破之前起爆形成一条贯穿裂缝，以减弱主爆区爆破对保留岩体的破坏并形成平整轮廓面的爆破技术。
随便看	number-magnitude distribution number manifold number module number needed to harm number needed to treat number notation number of a word number of boundaries number of checks number of classes number of collisions number of colors number of columns number of combinations number of comment number of components number of compositions number of covering sheets number of crimes number of crossings of a graph number of degree of freedom number of degrees of freedom number of divisors number of domestic tourists number of domination

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