chargehand
... chargevolume装药体积 chargeman装药工 charger装料器 ...
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装药工具 charge loading tool
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利用气固两相流颗粒间应力与空隙率之间的定量关系，推导了火工药剂压药压力与装药密度之间的定量关系。
Based on stress and cavity relationship of particles in gas-solid two phase flow field, quantitative correlation of pressure and density of pyrotechnic charges was deduced.
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