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отверстие трубы stresses
Makarov.	orifice of a tube; the orifice of a tube
oil	mouth of pipe
railw.	mouth (трубки)

отверстие трубы: 110 phrases in 30 subjects

Aerohydrodynamics	1
Animal husbandry	1
Armored vehicles	1
Automated equipment	1
Bridge construction	2
Cement	2
Chemistry	2
Construction	7
Drilling	11
Ecology	1
Energy industry	2
General	7
Geology	3
Makarov	8
Mechanic engineering	2
Medical	6
Metallurgy	1
Military	1
Mining	4
Nautical	3
Oil / petroleum	20
Oil and gas	1
Oil and gas technology	5
Oilfields	3
Public utilities	1
Rail transport	3
Road works	4
Sakhalin	3
Shipbuilding	1
Technology	3