| |||
lubricating ring | |||
lubrication ring; splash ring |
润滑油 环 : 55 phrases in 13 subjects |
Automobiles | 6 |
Chemistry | 2 |
Compressors | 3 |
Drilling | 1 |
Electric machinery | 2 |
Electronics | 2 |
General | 1 |
Mechanic engineering | 2 |
Metallurgy | 6 |
Oil / petroleum | 4 |
Plastics | 1 |
Shipbuilding | 1 |
Technology | 24 |