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| гнутый профиль | |||
| гнутый профиль проката | |||
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| гнутые профили (Roll formed sections may have advantages over extrusions of a similar shapes. Roll formed parts may be much lighter, with thinner walls possible than in the ... WK Alexander Demidov) | |||
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roll- formed sections : 8 短语, 3 学科 |
| 技术 | 3 |
| 桥梁建设 | 4 |
| 金工 | 1 |