Russian ⇄ English French German Polish

максимальный подпорный уровень stresses
bridg.constr.	higher water storage level
construct.	design flood level; highest water storage level
ecol.	exceptional water level; maximum water surface elevation
hydr.	HWL; abnormal water level; superelevation of water surface
Makarov.	highest reservoir level (в водохранилище); highest water level (HWL); maximum operating level
nat.res.	pool level during design flood
tech.	top of exclusive flood-control capacity; normal maximum operating level; maximum flood level; maximum water level; maximum water surface; highest water level
water.res.	highest flood level (водохранилища); highest reservoir level (водохранилища); maximum water surface elevation (водохранилища)

максимальный подпорный уровень: 23 phrases in 4 subjects

Construction	2
Hydraulic engineering	8
Makarov	4
Technology	9