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blasting with spherical charge
expl.
球状药包爆破
用球形或近似球形的药包进行爆破。爆破时,其爆轰波和爆轰气体由爆轰中心向四周以球状传播,能量随传播距离增加而较快衰减。按装药空间的形状和大小,球状药包爆破分为:药壶爆破、硐室爆破〈条形硐室除外〉、下向深孔球状药包爆破
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