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разведочный шурф stresses
bridg.constr.	trestlework pit
geol.	prospect hole; prospect shaft; prospecting; founder; prospect pit
goldmin.	vertical opening (Leonid Dzhepko)
hydrol.	trail pit
mil., tech.	exploratory shaft; exploratory well; test borehole
mining.	prospecting shaft; vertical exploratory opening
railw.	exploratory trench
tech.	exploration trench; trial pit; test pit; test hole; trial hole; prospecting pit

разведочный шурф: 2 phrases in 2 subjects

General	1
Makarov	1