![]() |
| |||
piston ring | |||
impermeable ring | |||
caulking ring; cup; seal ring; sealing ring | |||
| |||
ring |
涨圈: 28 phrases in 11 subjects |
Automobiles | 3 |
Aviation | 3 |
Bridge construction | 1 |
Electric machinery | 3 |
General | 1 |
Metallurgy | 1 |
Oil / petroleum | 2 |
Plastics | 1 |
Rail transport | 1 |
Space | 3 |
Technology | 9 |