... 集水井 drainage sump (collecting well) 集中药包 concentrated charge 几何平均粒径 geometric mean diameter ...
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在现场进行了集中药包与分集药包硐室爆破的大量模拟试验。
A large number of simulation tests for chamber blasting with concentrated or sub-concentrated charges were carried out in a site.
结果表明：条形药包与集中药包的爆炸作用及爆能分布的变化状态上互有异同。
Results demonstrate that there are same and different points of explosive effect and energy distribution between concentrated and ribbon charge.
论述了硐室爆破的设计方案，药室布置，集中药包，条形药包，爆破参数选择，装药填塞和起爆网路等。
This article stresses on designing, arrangement of bore holes concentrated charges, bar charges, selection of blasting parameters, tamping and initiating circuits.
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