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试验井 shìyànjǐng
dril. test pit
eng.geol. pilot well; proving well
oil test hole; test well
tech. experimental well; observation well
试验井用于考核射孔综合效果的油、气井 shìyànjǐng
expl. experimental well
试验 井
: 58 phrases in 11 subjects
Drilling3
Earth sciences2
Engineering geology4
General1
Geophysics3
Hydroelectric power stations1
Metallurgy2
Mining2
Oil / petroleum24
Space2
Technology14

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