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to phrases
勘探钻井
kāntàn zuànjǐng
stresses
dril.
разведочное бурение
tech.
разведочное бурение
(钻探井)
;
пробное бурение
;
разведочная скважина
勘探钻井
:
6 phrases
in 4 subjects
Drilling
3
General
1
Geology
1
Oil / petroleum
1
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