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Terms for subject Explosives and Explosive Ordnance Disposal containing drilling control | all forms | exact matches only | in specified order only
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computerized control on drilling equipment微机控制钻孔设备
drilling control钻孔控制
Good drilling control also helps to reduce the subgrade drilling and may make it possible to make some reduction in the total charge per hole钻孔控制得当一则能减少不合格的炮孔、二则有可能减少每个炮孔的装药量

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