tamping bar [机] 捣锤 ; 捣棒 ; 夯道棍
tamping bar WESTBANK 夯道棍
tamping bar or pole 炮棍
This article stresses on designing, arrangement of bore holes concentrated charges, bar charges, selection of blasting parameters, tamping and initiating circuits.
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。
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