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Terms containing 未 下套管的井 | all forms | in specified order only
SubjectChineseEnglish
life.sc.未下套管的井钻孔uncased hole
dril.未下套管的井uncased hole
dril.未下套管的井uncased wellbore
eng.geol.未下套管的井uncased borehole
tech.未下套管的井untubed well
tech.未下套管的井bare foot
dril.未下套管的裸眼井段barren hole