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射孔器 shèkǒngqì
dril. gun; gun perforator; shot tool
oil perforator
tech. gun perforator (深钻钻工具); well perforator
射孔器用于射孔的爆破器材及其配套件的组合体 shèkǒngqì
expl. perforator
射孔器: 97 phrases in 6 subjects
Air defense1
Drilling3
Explosives and Explosive Ordnance Disposal6
Geophysics9
Oil / petroleum66
Technology12

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