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自然伽马测井 zìrán gāmǎ cèjǐng
geophys. gamma ray logging
oil natural gamma ray log; gamma ray log
tech. gamma-ray log
自然伽马测井沿孔壁测量岩层的自然 γ 射线强度,以研究岩层划分和地层对比等的测井方法 zìrán gāmǎ cèjǐng
expl. natural gamma-ray logging; natural gamma-ray log; gamma-ray logging; gamma-ray log
自然伽马测井读数 zìrán gāmǎ cèjǐng
geophys. gamma ray log reading
自然伽马测井: 92 phrases in 5 subjects
Drilling8
Earth sciences1
Geophysics72
Oil / petroleum7
Technology4