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Drosselventil n -s, -e
gen.	throttle valve; throttling valve; butterfly valve
agric.	liquid out valve
agric., mech.eng.	check valve
auto.	variable flow control valve (for steering systems)
chem., el.	throttling type valve
construct.	flow control valve
energ.ind., mech.eng., tech.	expansion valve
engin.	carburetor butterfly
mater.sc., mech.eng.	choke; pressure reducer; reducing valve
meas.inst.	non-return valve
mech.eng.	butterfly; regulating stop valve; pressure relief valve; return valve
mech.eng., construct.	hydraulic valve; regulating valve
phys.	throttle
tech.	choke (valve)
transp.	restrictor valve

Drosselventil: 3 phrases in 2 subjects

Refrigeration	2
Transport	1