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Explosives and Explosive Ordnance Disposal
containing
冲 击 器
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all forms
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in specified order only
Chinese
English
冲击式井壁取心器
用取心火药作动力的井壁取心器,由取心器主体、选发器、取心火药及岩心筒组成
impacts. sidewall sampler
潜孔
冲击器
和钻头一起在孔内工作,产生冲击作用的装置
down-hole hammer
潜孔钻
冲击器
down the hole hammer
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