其次，工程师修订了向更大规模的叉管性能的阻尼设置。

Next, the engineers revised the damping settings for the massive fork tubes for even better performance.

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通过网格试验研究分析了枝叉管形件剪-挤工艺过程的金属流动情况及其变形规律；

Grid-experiments are performed to investigate metal flow and deformation in the shear-extrusion process of tubular components with branches.

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对高炉热风主管、围管三叉口组合砖的设计计算进行了探讨和实践。

The design and calculation combined bricks in trident of main and round hot blast pipes on b.

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