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| 槽钢; 槽形梁; 箱形梁; 箱形大梁; 空心梁; 箱形截面梁; 箱梁; 拱状梁柱; 箱形桨 | |||
| 箱形桁架 | |||
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балка коробчатого сечения : 2 phrases in 2 subjects |
| Construction | 1 |
| General | 1 |
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