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小井眼
 小井眼
dril. slim hole
 | 多层完井
 多层完井
oil multiple completion; multiple zone completion

to phrases
小井眼
dril. slim hole
oil small hole
小井眼: 45 phrases in 6 subjects
Drilling17
Geology1
Geophysics3
Mechanics7
Oil / petroleum15
Technology2

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