| |||
ratchet; ratch | |||
rack circle; sector; sector gear; tooth sector |
齿弧 : 85 phrases in 13 subjects |
Automobiles | 36 |
Business | 1 |
Compressors | 3 |
Computer numerical control | 1 |
Electric machinery | 1 |
General | 1 |
Mechanic engineering | 1 |
Metallurgy | 3 |
Nautical | 1 |
Oil / petroleum | 2 |
Shipbuilding | 1 |
Technology | 32 |
Wind Energy | 2 |