Whether an u-steel yielding support could yield depend on the pre-screw forces of the camps and the internal forces of both ends at the u-steel overlap parts.

型钢可缩性支架的缩动与否，取决于支架卡缆预紧力及搭接部分两端的内力。

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Whether an u-steel yielding support could yield depend on the pre-screw forces of the camps and the internal forces of both ends at the u-steel overlap parts.

型钢可缩性支架的缩动与否，取决于支架卡缆预紧力及搭接部分两端的内力。

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