| |||
skew gear; helical gear (I. Havkin) | |||
skew bevel wheel | |||
helical gear; spiral gear | |||
worm wheel | |||
screw gear | |||
| |||
skew gear | |||
| |||
spiral gear |
винтовая шестерня: 10 phrases in 7 subjects |
Armored vehicles | 2 |
Automobiles | 1 |
Aviation | 1 |
General | 1 |
Mining | 2 |
Oil / petroleum | 1 |
Technology | 2 |