With the ceaseless injection of oil and the migration passage prolonging, the result is that migration force increases and oil comes into little hole near charging point.
随着油的不断注入，油相通道的延长，导致运移驱动力增加，这相应导致油进入近注入点的较小的孔隙。
2
By improving parameters of the blasting hole, the charge, charging structure and the priming order etc, the smooth blasting is formed.
通过改进爆破的孔网参数、装药量与装药结构、起爆顺序等，从而形成了光面爆破。
3
It is special important meaning that Deep - hole blasting With bottom Gap Charging is used to protect bottom rock from breaking, to decrease block ratio and to improve blasting efficiency.