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| seal with elastomeric washer | |||
| 橡胶圈密封: 21 phrases in 8 subjects |
| Automobiles | 6 |
| Bridge construction | 1 |
| Chemistry | 2 |
| Drilling | 1 |
| Metallurgy | 2 |
| Polymers | 1 |
| Space | 1 |
| Technology | 7 |
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