FuE | |
stat. | research and development |
Ventil | |
gen. | valve; trigger |
chem. | clack-valve |
eng. | cock; faucet; tap |
forestr. | motor valve |
refrig. | compressor valve |
Ventil- | |
agric. | valve |
Ventile | |
gen. | valves |
Fu?ventil : 3 phrases in 2 subjects |
Mechanic engineering | 2 |
Technology | 1 |