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中子-中子测井 zhōngzǐ zhōngzǐ cèjǐng
eng.geol. neutron-neutron logging
中子-中子测 井: 258 phrases in 8 subjects
Drilling12
Earth sciences7
Electronics1
Engineering geology4
Explosives and Explosive Ordnance Disposal2
Geophysics141
Oil / petroleum56
Technology35