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| 螺母; 螺帽 | |||
| 螺母螺帽 | |||
| screw nut: 32 phrases in 6 subjects |
| Angling hobby | 1 |
| Automobiles | 3 |
| Aviation | 1 |
| Computer numerical control | 8 |
| General | 3 |
| Technology | 16 |
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