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| 刀具后角 (ножниц); 边缘斜截角; 张角展开角; 焊缝张角 (шва); 扩张角; 扩展角 | |||
| угол раскрытия: 8 phrases in 5 subjects |
| General | 1 |
| Military | 1 |
| Photography | 1 |
| Technology | 4 |
| Welding | 1 |
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