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эксплуатационные потери stresses
adv.	operational losses
construct.	exploitation losses
goldmin.	ore loss (руды MichaelBurov)
goldmin., geol.	production loss (Jewelia)
mining.	mining losses
O&G. tech.	operating loss
tech.	operational loss
water.res.	delivery losses
эксплуатационная потеря
el.	operating losses

эксплуатационные потери: 3 phrases in 2 subjects

Hydraulic engineering	2
Technology	1