charge amount per delay interval 单段爆破药
time delay interval 延时间隔
Forward Delay Interval 转发延迟间隔
maximum charge per delay interval 间隔最大装药量
delay interval system 滞后区间系统
Dividing delay interval 划分时滞区间
millisecond delay interval 微差间隔时间
microsecond delay interval 微差间隔时间
The author believes that using half-theoretical and half-practical formulas to select delay interval is probably more scientific and more approaching the practice.
作者认为选择间隔时间的半理论、半经验公式可能更科学、更接近实际。
Through adopting the parallel cut and inverse initiation, and selecting correct delay-interval, an average blasting efficiency of 90% had been achieved.
通过采用含空孔的直孔掏槽方式、反向起爆，并合理选择微差起爆时间，桩井爆破的平均炮孔利用率达到了90 %。
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