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отстойный бак stresses
agric.	clarification tank
auto.	sediment basin
construct.	sump tank
geol.	settling tank
mil., arm.veh.	sedimentation tank; settler
nat.res.	sump
oil	clarifying basin; settling vat
road.wrk.	setting tank
tech.	slime tank
transp.	setting vat; settling bowl

отстойный бак: 3 phrases in 2 subjects

Natural resourses and wildlife conservation	2
Nautical	1