Axial compression test can use double knife-edge bearing to instead spherical hinge bearing;

轴心受压构件试验可采用双刀口支座代替球铰支座；

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Axial compression test can use double knife-edge bearing to instead spherical hinge bearing;

轴心受压构件试验可采用双刀口支座代替球铰支座；

youdao