本文结合金刚村硐室大爆破工程实践，设计了导硐的封堵药包方法。
In light of the practice of chamber blasting in Jingang village, a method of stemming charge in leading chamber is described in this paper.
在公路路堑切槽开挖硐室控制大爆破中，采用较大不耦合比较进行松动控制爆破。
Bigger uncoupling is adopted to realize loose controlled blasting in the excavation of chasm notch blasting.
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