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| сферическое соединение | |||
| шаровое сочленение | |||
| шаровое соединение; шаровой шарнир | |||
| 球形 连接: 4 phrases in 4 subjects |
| Drilling | 1 |
| Forestry | 1 |
| General | 1 |
| Technology | 1 |
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