分段爆破会产主地震动的叠加，叠加系数直接关系到等效药量的计算。
The sectional blasting will produce superposition of ground motion the superposition factor is directly related to the calculation of equivalent amount of explosive.
一次钻孔分段爆破的新工艺已成功地应用到天井掘进和矿房、矿柱的回采方面。
A new technique of the long-hole blasting has been used in raising and prospecting of the rooms and the pillars.
云峰大坝抗滑墩基础开挖工程紧邻大坝，施工中采取了控制爆破技术，即小孔径、逐排分段爆破的开挖方式。
Controlled blasting technology that is an excavation mode of small-bore and subordinate blasting row by row is used in construction.
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