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двухтрубка n contraintes
forag.	pipe joint (бурильных труб); double drill pipe (MichaelBurov); double drillpipe (MichaelBurov)
génie th.	double-pipe system (MichaelBurov); two-pipe system (MichaelBurov); double-pipe heating system (MichaelBurov); two-pipe heating system (MichaelBurov); double-pipe circuit system (MichaelBurov); two-pipe circuit system (MichaelBurov)
pétr.	double joint; drill pipe of double length; double pipe (MichaelBurov); two sections of pipe (MichaelBurov)
techn.	double (бурильных труб)
двухтрубкасвеча n
pétr.	stand

двухтрубка: 11 phrases, 5 sujets

Forage	1
Pétrole / pétrole	4
Pétrole et gaz	2
Sakhaline	1
Technologie pétrolière et gazière	3