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tracing system stresses
automat.	копировальная система
mech.	следящая система
O&G, sakh.a.	система обогрева теплоспутником

tracing system: 32 phrases in 21 subjects

Acoustics	1
Automated equipment	5
Aviation	1
Construction	1
Drilling	1
Electronics	1
General	1
Geophysics	1
Heat transfer	2
Karachaganak	1
Mechanics	2
Oil and gas	1
Oil and gas technology	1
Oil processing plants	1
Oilfields	1
Pipelines	2
Programming	3
Sakhalin A	1
Technology	3
Welding	1
Winemaking	1