| |||
reinforcing ring | |||
strengthening ring | |||
stiffening ring | |||
ring stiffener | |||
grommet | |||
reinforcement loop; reinforcement ring |
加 强 环 : 17 phrases in 8 subjects |
Agriculture | 1 |
Automobiles | 4 |
China | 3 |
Finances | 1 |
Nautical | 1 |
Oil / petroleum | 4 |
Technology | 2 |
United Nations | 1 |