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test injection stresses
oil	пробное закачивание

test injection : 31 phrases in 16 subjects

Clinical trial	2
Construction	1
Drilling	1
Ecology	1
Electrical engineering	3
Engineering geology	1
Gas processing plants	1
General	1
Geophysics	1
Medical	4
Oil and gas	1
Pharmacy and pharmacology	1
Sakhalin	1
Technology	8
Tengiz	2
Water resources	2