| |||
skew gear; helical gear (I. Havkin) | |||
worm wheel | |||
screw gear | |||
helical gear; spiral gear | |||
skew bevel wheel | |||
| |||
skew gear | |||
| |||
spiral gear |
винтовая шестерня: 10 phrases, 7 sujets |
Automobiles | 1 |
Aviation | 1 |
Exploitation minière | 2 |
Général | 1 |
Pétrole / pétrole | 1 |
Technologie | 2 |
Véhicules blindés | 2 |