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Terms for subject Explosives and Explosive Ordnance Disposal containing plug hole | all forms | in specified order only
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plastic drill hole plug塑性钻孔柱塞略呈锥形的中空塑料器件,安放在潜孔口以防止钻屑落人钻孔之中
plug hole二次爆破炮孔
shot-hole plug炮孔塞