Each pump shall be fitted with a (stainless steel cable or stainless steel chain) of adequate strength and length to permit raising the pump for inspection and removal.

为了进行观察和拆卸，每台泵都应该配置一条具有适当强度和长度的(不锈钢缆或不锈钢链)来将泵提升起来。

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To systematically study the whole construction process of pre-stress spatial steel structure, the inverse analysis method based on controlling the initial length of the cable is proposed.

为对预应力空间钢结构的施工成形进行系统的研究，提出了基于控制索原长求解索张拉力的反分析法。

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Finally, the calculation of the effective length of the tower and main girder for a certain steel cable-stayed bridge is illustrated.

本文例举了一座钢斜拉桥塔柱、主梁自由长度及其稳定性的计算。

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