Russian ⇄ English

захлопка n stresses
gen.	clacker
hydraul.	jack; jak
mech.eng.	flap
mech.eng., obs.	clap valve; clappet valve; paddle valve; through way valve
nautic.	clack; clapper; flapper; flap valve; flapper valve; pressure flap
shipb.	valve clack
tech.	clack valve; clapper swing-check valve

захлопка: 39 phrases in 11 subjects

Construction	3
General	1
Makarov	2
Nautical	22
Navy	1
Oil / petroleum	1
Shipbuilding	4
Submarines	1
Technology	1
Thermal engineering	1
Transport	2