炮孔药包 meaning in Chinese
drillhole charge
Examples
- E ) . on the basis of validation of stress attenuating formula , the calculation formulas of hole jam length and space between chambers of linear room chamber have been achieved
E )在对应力衰减方程验证的基础上，应用该方程获得了炮孔药包堵塞长度和条形硐室药包药室间距计算公式。