It is theoretically proved that, with this structure, the mill's whole rigidity is greatly improved to the traditional mill, the metallic deformations are also improved distinctly.

从理论上证明了，本结构形式的轧机比传统轧机的整机刚度有了大幅度的提高，金属变形状况得到显著改善。

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The paper studies the relation between the section rigidity and the service time of the RC bridge under the composite effect of the expansion of cracks and the whole or local corrosion.

分别研究了钢筋混凝土桥梁在整体腐蚀和局部腐蚀同裂缝扩展的组合效应下截面刚度与服役时间关系。

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Whole cast-iron organism(except SK-7090F) to guarantee rigidity, machine precision and high precision.

整体铸造机身（SK-7090F除外），刚性强，机械精度有保证，高精度。

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