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| spheric seat; spherical seat | |||
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球形座 : 22 phrases in 8 subjects |
| Bridge construction | 1 |
| Electronics | 1 |
| Golf | 1 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 15 |
| Telecommunications | 1 |
| Wind Energy | 1 |
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