Russian ⇄ Bulgarian Chinese Czech English French German Polish Romanian

рыбозащитное сооружение stresses
agric.	grille; fish protection works
construct.	fish-protection structure
ecol.	fish protection screen; fish-protection works; fish protection device (Sandres)
fish.farm.	fish diversion device (dimock)
tech.	fish conservation works; fish protection structure

рыбозащитное сооружение: 2 phrases in 1 subject

Fish farming pisciculture

2