 |
| |||
| equi-potential ring; arcing shield balancing ring | |||
| ring manifold | |||
| equalizing ring | |||
| equalizer ring; piezometer ring | |||
| grading ring | |||
| |||
| equalizing ring | |||
| 均压环: 11 phrases in 5 subjects |
| General | 1 |
| Hydroelectric power stations | 2 |
| Shipbuilding | 1 |
| Sports | 2 |
| Technology | 5 |
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