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межскважинные исследования stresses
geophys.	borehole-to-borehole survey; cross-borehole experiment; cross-borehole measurements; cross-borehole survey; crosshole experiment; crosshole measurements; crosshole survey; crosswell measurements; crosswell survey
oil	borehole-to-borehole observations; cross-borehole exploration; crosshole exploration

межскважинные исследования: 8 phrases in 2 subjects

Geophysics	3
Oil / petroleum	5