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废井 fèijǐng
dril. dead well
eng.geol. failed well; failure well; spent well; waste well
hydroel.st. abandoned well
oil depleted well
tech. disused well
废井: 65 phrases in 10 subjects
Business1
Desert science1
Drilling16
Earth sciences3
Ecology1
Electronics1
Engineering geology3
Mining3
Oil / petroleum14
Technology22